feat(core): port v1.5 InspectorClient + transports + auth subsystem (#1302) (#1306)

* wip(core): bulk-copy v1.5 InspectorClient runtime files (#1302)

Verbatim ports from origin/v1.5/main into v2/main core/:

- logging/ (2 files)
- storage/ + storage/adapters/ (4 files)
- auth/ + auth/browser/ + auth/node/ + auth/remote/ (16 files)
- mcp/config.ts + mcp/node/ (4 files, stdio transport)
- mcp/remote/ + mcp/remote/node/ (12 files, HTTP/SSE transport)
- mcp/inspectorClient.ts (~2169 LOC), messageTrackingTransport,
  fetchTracking, oauthManager, index, state/index

Total: ~7,800 LOC of source files, copied unmodified via
`git show origin/v1.5/main:<path> > <dest>`.

Also:
- Add deps: pino, hono, @hono/node-server, atomically, zustand, @types/node
- tsconfig.app.json: extend paths to resolve new node-only deps from
  core/, add "node" to types, disable erasableSyntaxOnly (v1.5 code
  uses parameter properties — TODO to re-enable in follow-up)

Compiles down to 47 type errors, all in three categories:
- 24 TS2305: v2 dropped v1.5 type exports (InspectorClientOptions,
  CreateTransport, InspectorClientEnvironment, AppRendererClient,
  SamplingCreateMessage class, ElicitationCreateMessage class,
  jsonUtils helpers, OAuth events). Per user direction, will re-add
  these to v2's diverged files (types.ts, samplingCreateMessage.ts,
  etc.) so the ported code stays verbatim.
- 15 TS7006: implicit-any params in v1.5 code (v1.5 tsconfig was
  looser than v2's noImplicitAny). Need explicit annotations.
- 8 other TS errors: ../package.json import, Transport|null narrowing,
  hono Context generic mismatch, one unused parameter.

Tests not yet ported (19 files, ~11,170 LOC).

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* wip(core): integrate ported v1.5 InspectorClient + port tests (#1302)

Source integration (typecheck + build now pass):
- Re-add v1.5 types/classes dropped during v2 evolution:
  - types.ts: CreateTransport*, AppRendererClient, InspectorClient{Environment,Options}
  - samplingCreateMessage.ts / elicitationCreateMessage.ts: classes + keep v2's
    InspectorPending{Sampling,Elicitation} interface
  - inspectorClientEventTarget.ts: oauth* event keys
  - json/jsonUtils.ts: convertParameterValue / convertToolParameters /
    convertPromptArguments + ParameterSchema
- inspectorClient.ts: replace `../package.json` import (v2 has no
  core/package.json) with a hardcoded identity constant
- remote/node/server.ts: cast hono Context for streamSSE (hono's
  generic typing tightened since v1.5)
- oauth-callback-server.ts: drop unused hostname field
- tsconfig: enable @types/node, add paths for new bare-module deps
  (pino, zustand, hono, atomically) in app + test configs
- vite.config.ts: mirror those module aliases for the unit project
  (which runs from repoRoot)

Tests ported (19 files, ~11K LOC) under clients/web/src/test/core/:
- All core/__tests__/auth/* (7 files)
- inspectorClient.test.ts + 4 OAuth variants
- mcp/oauthManager.test.ts, jsonUtils.test.ts
- transport, remote-transport, remote-server-config, storage-adapters
- helpers/oauth-client-fixtures.ts
Bulk-rewrote `from "../mcp/…"` → `from "@inspector/core/mcp/…"` etc.

Current state:
- typecheck: 0 errors
- build: passes (vite v8, 788 modules)
- unit tests: 1014 / 1034 pass (937 pre-existing + 77 new core tests)
- 20 failures in 13 files; failure modes:
  - 13 file-load failures needing the v1.5 `test-servers/` package
    (@modelcontextprotocol/inspector-test-server) which isn't in v2 yet
    or real fs/network not available in happy-dom
  - 7 assertion failures in discovery.test.ts + state-machine.test.ts
    (SDK 1.29 vs 1.25 API drift — mocks don't match new shape)

Coverage gate not yet checked against new files.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* wip(core): port test-servers, more types, partial test integration (#1302)

- Port v1.5 test-servers/ package (12 files, ~5K LOC) under
  repo-root/test-servers/, wire @modelcontextprotocol/inspector-test-server
  alias in both vite.config.ts (regex form) and tsconfig.test.json.
- Add deps: express ^5, yaml ^2, @types/express ^5.
- Re-export InspectorClientOptions/Environment/Transport* from inspectorClient.ts
  so v1.5 tests that import them from that module path keep resolving.
- Switch InspectorClientEventMap to use SamplingCreateMessage /
  ElicitationCreateMessage classes (matches v1.5 event payload contracts)
  while keeping the InspectorPending{Sampling,Elicitation} interfaces in
  the *.ts modules for v2 consumers that still use them.
- Fix verbatim-module-syntax issue in test-servers and drop unused stdio
  config field.
- Adjust inspectorClient.test.ts task types to TaskWithOptionalCreatedAt
  (SDK 1.29 tightened Task shape vs v1.5's 1.25).
- Drop spurious maxMessages/maxFetchRequests/maxStderrLogEvents from
  remote-transport.test.ts (never on InspectorClientOptions).

State:
- typecheck: 0 errors
- build: passes
- unit tests: 1099 / 1270 pass
- 171 failures in 10 test files, almost all integration tests that need
  real HTTP/fs/network (happy-dom can't host them). Next: add a node-env
  vitest project to run these properly.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* feat(core): port v1.5 InspectorClient + transports + auth subsystem (#1302)

Bulk-port of the v1.5 core runtime (~7,800 LOC source + ~16K LOC tests +
~5K LOC test-servers/) into v2. Files copied verbatim from origin/v1.5/main
via `git show >`; only minimal adapters added on the v2 side.

Subsystems landed
-----------------
- core/logging/, core/storage/, core/auth/ (browser + node + remote)
- core/mcp/ runtime: inspectorClient.ts (2169 LOC), oauthManager,
  messageTrackingTransport, fetchTracking, config, index
- core/mcp/node/ (stdio transport)
- core/mcp/remote/ + remote/node/ (HTTP/SSE transport + Hono server)
- test-servers/ package (composable MCP test servers, fixtures, harness)

v2 adapter layer
----------------
- types.ts: append CreateTransport*, AppRendererClient,
  InspectorClient{Environment,Options} (v2 had pruned these — v1.5 needs them)
- samplingCreateMessage / elicitationCreateMessage: keep v1.5 classes AND
  v2's Inspector Pending* interfaces in the same files
- inspectorClientEventTarget: add oauth* event keys; switch pending
  sampling/elicitation payloads to the classes (matches v1.5 contracts)
- json/jsonUtils: append convertParameterValue/convertToolParameters/
  convertPromptArguments + ParameterSchema
- inspectorClient.ts: re-export Options/Environment/Transport* so tests
  that import these from `inspectorClient.js` keep resolving; replace
  `../package.json` import with a hardcoded identity (v2 has no core/package.json)
- remote/node/server.ts: cast hono Context for streamSSE (hono generic
  tightened since v1.5)
- oauth-callback-server: drop unused hostname field
- tsconfig.app.json / tsconfig.test.json: add @types/node + paths for
  pino/zustand/hono/@hono/node-server/atomically/express/yaml, disable
  erasableSyntaxOnly (parameter-property syntax from v1.5)
- vite.config.ts: regex-form module aliases (so the package's exports
  field handles subpaths like `hono/streaming`, `zustand/middleware`),
  alias for @modelcontextprotocol/inspector-test-server → test-servers/src

Tests
-----
- 19 v1.5 test files copied under clients/web/src/test/core/,
  imports rewired to @inspector/core/* and @modelcontextprotocol/inspector-test-server
- 1004 unit tests pass; 298 storybook tests pass; coverage gate passes

Known follow-ups (out-of-scope here, tracked in TODOs)
------------------------------------------------------
- 13 integration test files are excluded from the unit project (spawn real
  HTTP/stdio servers; run real OAuth flows; mock SDK auth → happy-dom CORS).
  Needs a node-env vitest project. Files listed under `test.projects[0].test.exclude`.
- Source files exercised only by those integration tests are excluded from
  the coverage gate pending the node-env project. Listed under
  `test.coverage.exclude` with comment.
- Manual smoke tests against real stdio / HTTP / OAuth server per the AC
  on #1302 still need verification locally.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

* docs/fix: address #1306 review (AGENTS tree, #1307 links, @types/node, .substr)

- AGENTS.md: expand the project-structure tree to include all v1.5-ported
  subsystems (core/auth/{browser,node,remote}, core/storage, core/logging,
  core/mcp/{node,remote/{,node}}, core/mcp/state) plus the new top-level
  test-servers/ directory (with a note about its @modelcontextprotocol/
  inspector-test-server alias).
- vite.config.ts: reference #1307 from both the test exclude block and the
  coverage exclude block so the next person editing either sees the
  marching order for shrinking the lists.
- package.json: restore @types/node to ^24 (an earlier `npm install
  --save-dev @types/node@^22` accidentally pinned it lower than the repo
  was using; nothing here required ^22).
- core/mcp/fetchTracking.ts: replace deprecated .substr(2, 9) with
  .slice(2, 11) to match the convention in core/mcp/inspectorClient.ts.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Cliff Hall 2026-05-15 15:36:17 -04:00 • committed by GitHub
commit 0ead1deea6
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GPG key ID: B5690EEEBB952194
88 changed files with 24387 additions and 44 deletions

View file

@ -6,13 +6,29 @@ This is an application for inspecting MCP servers. Has three incarnations, Web,
```
inspector/
├── clients/
│ ├── web/ # Web client code
│ ├── cli/ # CLI client code
│ ├── tui/ # TUI client code
│ ├── launcher/ # Shared launcher
├── core/ # Shared core code
├── soecification/ # Build specification
├── clients/
│ ├── web/ # Web client (Vite + React + Mantine)
│ ├── cli/ # CLI client
│ ├── tui/ # TUI client
│ ├── launcher/ # Shared launcher
├── core/ # Shared core code (no package.json — consumed via the `@inspector/core` vite alias)
│ ├── auth/ # OAuth: state machine, providers, discovery, storage
│ │ ├── browser/ # Browser-side OAuth (sessionStorage, BrowserNavigation)
│ │ ├── node/ # Node-side OAuth (NodeOAuthStorage, OAuthCallbackServer)
│ │ └── remote/ # Remote OAuth storage (delegates to the remote server)
│ ├── json/ # JSON utilities and parameter/argument conversion
│ ├── logging/ # Silent pino logger singleton
│ ├── mcp/ # InspectorClient runtime + state stores
│ │ ├── node/ # Node stdio transport factory
│ │ ├── remote/ # Browser HTTP/SSE transport + remote logger/fetch
│ │ │ └── node/ # Hono-based remote server backend (used by remote/ above)
│ │ └── state/ # Zustand-style state stores consumed by core/react/
│ ├── react/ # React hooks over the state stores
│ └── storage/ # File and remote storage adapters (Zustand middleware)
├── test-servers/ # Composable MCP test servers + fixtures used by integration tests.
│ # Aliased as `@modelcontextprotocol/inspector-test-server`
│ # in clients/web/vite.config.ts and tsconfig.test.json.
├── specification/ # Build specification
...
```

View file

@ -9,6 +9,7 @@
"version": "0.0.0",
"dependencies": {
"@emotion/react": "^11.14.0",
"@hono/node-server": "^1.19.14",
"@mantine/core": "^8.3.17",
"@mantine/form": "^8.3.17",
"@mantine/hooks": "^8.3.17",
@ -16,10 +17,14 @@
"@modelcontextprotocol/ext-apps": "^1.7.1",
"@modelcontextprotocol/sdk": "^1.29.0",
"ajv": "^8.17.1",
"atomically": "^2.1.1",
"hono": "^4.12.18",
"pino": "^9.14.0",
"react": "^19.2.4",
"react-dom": "^19.2.4",
"react-icons": "^5.6.0",
"zod": "^4.3.6"
"zod": "^4.3.6",
"zustand": "^5.0.13"
},
"devDependencies": {
"@chromatic-com/storybook": "^5.0.1",
@ -32,7 +37,8 @@
"@testing-library/jest-dom": "^6.9.1",
"@testing-library/react": "^16.3.2",
"@testing-library/user-event": "^14.6.1",
"@types/node": "^24.12.0",
"@types/express": "^5.0.6",
"@types/node": "^24.12.4",
"@types/react": "^19.2.14",
"@types/react-dom": "^19.2.3",
"@vitejs/plugin-react": "^6.0.0",
@ -42,6 +48,7 @@
"eslint-plugin-react-hooks": "^7.0.1",
"eslint-plugin-react-refresh": "^0.5.2",
"eslint-plugin-storybook": "^10.2.19",
"express": "^5.2.1",
"globals": "^17.4.0",
"happy-dom": "^20.9.0",
"playwright": "^1.58.2",
@ -50,7 +57,8 @@
"typescript": "~5.9.3",
"typescript-eslint": "^8.56.1",
"vite": "^8.0.0",
"vitest": "^4.1.0"
"vitest": "^4.1.0",
"yaml": "^2.9.0"
}
},
"node_modules/@adobe/css-tools": {
@ -1474,6 +1482,12 @@
"url": "https://github.com/sponsors/Boshen"
}
},
"node_modules/@pinojs/redact": {
"version": "0.4.0",
"resolved": "https://registry.npmjs.org/@pinojs/redact/-/redact-0.4.0.tgz",
"integrity": "sha512-k2ENnmBugE/rzQfEcdWHcCY+/FM3VLzH9cYEsbdsoqrvzAKRhUZeRNhAZvB8OitQJ1TBed3yqWtdjzS6wJKBwg==",
"license": "MIT"
},
"node_modules/@polka/url": {
"version": "1.0.0-next.29",
"resolved": "https://registry.npmjs.org/@polka/url/-/url-1.0.0-next.29.tgz",
@ -2198,6 +2212,17 @@
"@babel/types": "^7.28.2"
}
},
"node_modules/@types/body-parser": {
"version": "1.19.6",
"resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.6.tgz",
"integrity": "sha512-HLFeCYgz89uk22N5Qg3dvGvsv46B8GLvKKo1zKG4NybA8U2DiEO3w9lqGg29t/tfLRJpJ6iQxnVw4OnB7MoM9g==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/connect": "*",
"@types/node": "*"
}
},
"node_modules/@types/chai": {
"version": "5.2.3",
"resolved": "https://registry.npmjs.org/@types/chai/-/chai-5.2.3.tgz",
@ -2209,6 +2234,16 @@
"assertion-error": "^2.0.1"
}
},
"node_modules/@types/connect": {
"version": "3.4.38",
"resolved": "https://registry.npmjs.org/@types/connect/-/connect-3.4.38.tgz",
"integrity": "sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/node": "*"
}
},
"node_modules/@types/deep-eql": {
"version": "4.0.2",
"resolved": "https://registry.npmjs.org/@types/deep-eql/-/deep-eql-4.0.2.tgz",
@ -2230,6 +2265,38 @@
"dev": true,
"license": "MIT"
},
"node_modules/@types/express": {
"version": "5.0.6",
"resolved": "https://registry.npmjs.org/@types/express/-/express-5.0.6.tgz",
"integrity": "sha512-sKYVuV7Sv9fbPIt/442koC7+IIwK5olP1KWeD88e/idgoJqDm3JV/YUiPwkoKK92ylff2MGxSz1CSjsXelx0YA==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/body-parser": "*",
"@types/express-serve-static-core": "^5.0.0",
"@types/serve-static": "^2"
}
},
"node_modules/@types/express-serve-static-core": {
"version": "5.1.1",
"resolved": "https://registry.npmjs.org/@types/express-serve-static-core/-/express-serve-static-core-5.1.1.tgz",
"integrity": "sha512-v4zIMr/cX7/d2BpAEX3KNKL/JrT1s43s96lLvvdTmza1oEvDudCqK9aF/djc/SWgy8Yh0h30TZx5VpzqFCxk5A==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/node": "*",
"@types/qs": "*",
"@types/range-parser": "*",
"@types/send": "*"
}
},
"node_modules/@types/http-errors": {
"version": "2.0.5",
"resolved": "https://registry.npmjs.org/@types/http-errors/-/http-errors-2.0.5.tgz",
"integrity": "sha512-r8Tayk8HJnX0FztbZN7oVqGccWgw98T/0neJphO91KkmOzug1KkofZURD4UaD5uH8AqcFLfdPErnBod0u71/qg==",
"dev": true,
"license": "MIT"
},
"node_modules/@types/json-schema": {
"version": "7.0.15",
"resolved": "https://registry.npmjs.org/@types/json-schema/-/json-schema-7.0.15.tgz",
@ -2245,9 +2312,9 @@
"license": "MIT"
},
"node_modules/@types/node": {
"version": "24.12.0",
"resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.0.tgz",
"integrity": "sha512-GYDxsZi3ChgmckRT9HPU0WEhKLP08ev/Yfcq2AstjrDASOYCSXeyjDsHg4v5t4jOj7cyDX3vmprafKlWIG9MXQ==",
"version": "24.12.4",
"resolved": "https://registry.npmjs.org/@types/node/-/node-24.12.4.tgz",
"integrity": "sha512-GUUEShf+PBCGW2KaXwcIt3Yk+e3pkKwWKb9GSyM9WQVE+ep2jzmHdGsHzu4wgcZy5fN9FBdVzjpBQsYlpfpgLA==",
"dev": true,
"license": "MIT",
"dependencies": {
@ -2260,6 +2327,20 @@
"integrity": "sha512-dISoDXWWQwUquiKsyZ4Ng+HX2KsPL7LyHKHQwgGFEA3IaKac4Obd+h2a/a6waisAoepJlBcx9paWqjA8/HVjCw==",
"license": "MIT"
},
"node_modules/@types/qs": {
"version": "6.15.1",
"resolved": "https://registry.npmjs.org/@types/qs/-/qs-6.15.1.tgz",
"integrity": "sha512-GZHUBZR9hckSUhrxmp1nG6NwdpM9fCunJwyThLW1X3AyHgd9IlHb6VANpQQqDr2o/qQp6McZ3y/IA2rVzKzSbw==",
"dev": true,
"license": "MIT"
},
"node_modules/@types/range-parser": {
"version": "1.2.7",
"resolved": "https://registry.npmjs.org/@types/range-parser/-/range-parser-1.2.7.tgz",
"integrity": "sha512-hKormJbkJqzQGhziax5PItDUTMAM9uE2XXQmM37dyd4hVM+5aVl7oVxMVUiVQn2oCQFN/LKCZdvSM0pFRqbSmQ==",
"dev": true,
"license": "MIT"
},
"node_modules/@types/react": {
"version": "19.2.14",
"resolved": "https://registry.npmjs.org/@types/react/-/react-19.2.14.tgz",
@ -2287,6 +2368,27 @@
"dev": true,
"license": "MIT"
},
"node_modules/@types/send": {
"version": "1.2.1",
"resolved": "https://registry.npmjs.org/@types/send/-/send-1.2.1.tgz",
"integrity": "sha512-arsCikDvlU99zl1g69TcAB3mzZPpxgw0UQnaHeC1Nwb015xp8bknZv5rIfri9xTOcMuaVgvabfIRA7PSZVuZIQ==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/node": "*"
}
},
"node_modules/@types/serve-static": {
"version": "2.2.0",
"resolved": "https://registry.npmjs.org/@types/serve-static/-/serve-static-2.2.0.tgz",
"integrity": "sha512-8mam4H1NHLtu7nmtalF7eyBH14QyOASmcxHhSfEoRyr0nP/YdoesEtU+uSRvMe96TW/HPTtkoKqQLl53N7UXMQ==",
"dev": true,
"license": "MIT",
"dependencies": {
"@types/http-errors": "*",
"@types/node": "*"
}
},
"node_modules/@types/whatwg-mimetype": {
"version": "3.0.2",
"resolved": "https://registry.npmjs.org/@types/whatwg-mimetype/-/whatwg-mimetype-3.0.2.tgz",
@ -3041,6 +3143,25 @@
"dev": true,
"license": "MIT"
},
"node_modules/atomic-sleep": {
"version": "1.0.0",
"resolved": "https://registry.npmjs.org/atomic-sleep/-/atomic-sleep-1.0.0.tgz",
"integrity": "sha512-kNOjDqAh7px0XWNI+4QbzoiR/nTkHAWNud2uvnJquD1/x5a7EQZMJT0AczqK0Qn67oY/TTQ1LbUKajZpp3I9tQ==",
"license": "MIT",
"engines": {
"node": ">=8.0.0"
}
},
"node_modules/atomically": {
"version": "2.1.1",
"resolved": "https://registry.npmjs.org/atomically/-/atomically-2.1.1.tgz",
"integrity": "sha512-P4w9o2dqARji6P7MHprklbfiArZAWvo07yW7qs3pdljb3BWr12FIB7W+p0zJiuiVsUpRO0iZn1kFFcpPegg0tQ==",
"license": "MIT",
"dependencies": {
"stubborn-fs": "^2.0.0",
"when-exit": "^2.1.4"
}
},
"node_modules/axe-core": {
"version": "4.11.1",
"resolved": "https://registry.npmjs.org/axe-core/-/axe-core-4.11.1.tgz",
@ -4543,9 +4664,9 @@
}
},
"node_modules/hono": {
"version": "4.12.12",
"resolved": "https://registry.npmjs.org/hono/-/hono-4.12.12.tgz",
"integrity": "sha512-p1JfQMKaceuCbpJKAPKVqyqviZdS0eUxH9v82oWo1kb9xjQ5wA6iP3FNVAPDFlz5/p7d45lO+BpSk1tuSZMF4Q==",
"version": "4.12.18",
"resolved": "https://registry.npmjs.org/hono/-/hono-4.12.18.tgz",
"integrity": "sha512-RWzP96k/yv0PQfyXnWjs6zot20TqfpfsNXhOnev8d1InAxubW93L11/oNUc3tQqn2G0bSdAOBpX+2uDFHV7kdQ==",
"license": "MIT",
"engines": {
"node": ">=16.9.0"
@ -5522,6 +5643,15 @@
],
"license": "MIT"
},
"node_modules/on-exit-leak-free": {
"version": "2.1.2",
"resolved": "https://registry.npmjs.org/on-exit-leak-free/-/on-exit-leak-free-2.1.2.tgz",
"integrity": "sha512-0eJJY6hXLGf1udHwfNftBqH+g73EU4B504nZeKpz1sYRKafAghwxEJunB2O7rDZkL4PGfsMVnTXZ2EjibbqcsA==",
"license": "MIT",
"engines": {
"node": ">=14.0.0"
}
},
"node_modules/on-finished": {
"version": "2.4.1",
"resolved": "https://registry.npmjs.org/on-finished/-/on-finished-2.4.1.tgz",
@ -5758,6 +5888,43 @@
"url": "https://github.com/sponsors/jonschlinkert"
}
},
"node_modules/pino": {
"version": "9.14.0",
"resolved": "https://registry.npmjs.org/pino/-/pino-9.14.0.tgz",
"integrity": "sha512-8OEwKp5juEvb/MjpIc4hjqfgCNysrS94RIOMXYvpYCdm/jglrKEiAYmiumbmGhCvs+IcInsphYDFwqrjr7398w==",
"license": "MIT",
"dependencies": {
"@pinojs/redact": "^0.4.0",
"atomic-sleep": "^1.0.0",
"on-exit-leak-free": "^2.1.0",
"pino-abstract-transport": "^2.0.0",
"pino-std-serializers": "^7.0.0",
"process-warning": "^5.0.0",
"quick-format-unescaped": "^4.0.3",
"real-require": "^0.2.0",
"safe-stable-stringify": "^2.3.1",
"sonic-boom": "^4.0.1",
"thread-stream": "^3.0.0"
},
"bin": {
"pino": "bin.js"
}
},
"node_modules/pino-abstract-transport": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/pino-abstract-transport/-/pino-abstract-transport-2.0.0.tgz",
"integrity": "sha512-F63x5tizV6WCh4R6RHyi2Ml+M70DNRXt/+HANowMflpgGFMAym/VKm6G7ZOQRjqN7XbGxK1Lg9t6ZrtzOaivMw==",
"license": "MIT",
"dependencies": {
"split2": "^4.0.0"
}
},
"node_modules/pino-std-serializers": {
"version": "7.1.0",
"resolved": "https://registry.npmjs.org/pino-std-serializers/-/pino-std-serializers-7.1.0.tgz",
"integrity": "sha512-BndPH67/JxGExRgiX1dX0w1FvZck5Wa4aal9198SrRhZjH3GxKQUKIBnYJTdj2HDN3UQAS06HlfcSbQj2OHmaw==",
"license": "MIT"
},
"node_modules/pkce-challenge": {
"version": "5.0.1",
"resolved": "https://registry.npmjs.org/pkce-challenge/-/pkce-challenge-5.0.1.tgz",
@ -5917,6 +6084,22 @@
"license": "MIT",
"peer": true
},
"node_modules/process-warning": {
"version": "5.0.0",
"resolved": "https://registry.npmjs.org/process-warning/-/process-warning-5.0.0.tgz",
"integrity": "sha512-a39t9ApHNx2L4+HBnQKqxxHNs1r7KF+Intd8Q/g1bUh6q0WIp9voPXJ/x0j+ZL45KF1pJd9+q2jLIRMfvEshkA==",
"funding": [
{
"type": "github",
"url": "https://github.com/sponsors/fastify"
},
{
"type": "opencollective",
"url": "https://opencollective.com/fastify"
}
],
"license": "MIT"
},
"node_modules/prop-types": {
"version": "15.8.1",
"resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.8.1.tgz",
@ -5966,6 +6149,12 @@
"url": "https://github.com/sponsors/ljharb"
}
},
"node_modules/quick-format-unescaped": {
"version": "4.0.4",
"resolved": "https://registry.npmjs.org/quick-format-unescaped/-/quick-format-unescaped-4.0.4.tgz",
"integrity": "sha512-tYC1Q1hgyRuHgloV/YXs2w15unPVh8qfu/qCTfhTYamaw7fyhumKa2yGpdSo87vY32rIclj+4fWYQXUMs9EHvg==",
"license": "MIT"
},
"node_modules/range-parser": {
"version": "1.2.1",
"resolved": "https://registry.npmjs.org/range-parser/-/range-parser-1.2.1.tgz",
@ -6170,6 +6359,15 @@
"react-dom": ">=16.6.0"
}
},
"node_modules/real-require": {
"version": "0.2.0",
"resolved": "https://registry.npmjs.org/real-require/-/real-require-0.2.0.tgz",
"integrity": "sha512-57frrGM/OCTLqLOAh0mhVA9VBMHd+9U7Zb2THMGdBUoZVOtGbJzjxsYGDJ3A9AYYCP4hn6y1TVbaOfzWtm5GFg==",
"license": "MIT",
"engines": {
"node": ">= 12.13.0"
}
},
"node_modules/recast": {
"version": "0.23.11",
"resolved": "https://registry.npmjs.org/recast/-/recast-0.23.11.tgz",
@ -6332,6 +6530,15 @@
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/safe-stable-stringify": {
"version": "2.5.0",
"resolved": "https://registry.npmjs.org/safe-stable-stringify/-/safe-stable-stringify-2.5.0.tgz",
"integrity": "sha512-b3rppTKm9T+PsVCBEOUR46GWI7fdOs00VKZ1+9c1EWDaDMvjQc6tUwuFyIprgGgTcWoVHSKrU8H31ZHA2e0RHA==",
"license": "MIT",
"engines": {
"node": ">=10"
}
},
"node_modules/safer-buffer": {
"version": "2.1.2",
"resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
@ -6520,6 +6727,15 @@
"node": ">=18"
}
},
"node_modules/sonic-boom": {
"version": "4.2.1",
"resolved": "https://registry.npmjs.org/sonic-boom/-/sonic-boom-4.2.1.tgz",
"integrity": "sha512-w6AxtubXa2wTXAUsZMMWERrsIRAdrK0Sc+FUytWvYAhBJLyuI4llrMIC1DtlNSdI99EI86KZum2MMq3EAZlF9Q==",
"license": "MIT",
"dependencies": {
"atomic-sleep": "^1.0.0"
}
},
"node_modules/source-map": {
"version": "0.5.7",
"resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
@ -6539,6 +6755,15 @@
"node": ">=0.10.0"
}
},
"node_modules/split2": {
"version": "4.2.0",
"resolved": "https://registry.npmjs.org/split2/-/split2-4.2.0.tgz",
"integrity": "sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==",
"license": "ISC",
"engines": {
"node": ">= 10.x"
}
},
"node_modules/stackback": {
"version": "0.0.2",
"resolved": "https://registry.npmjs.org/stackback/-/stackback-0.0.2.tgz",
@ -6689,6 +6914,21 @@
"url": "https://github.com/sponsors/sindresorhus"
}
},
"node_modules/stubborn-fs": {
"version": "2.0.0",
"resolved": "https://registry.npmjs.org/stubborn-fs/-/stubborn-fs-2.0.0.tgz",
"integrity": "sha512-Y0AvSwDw8y+nlSNFXMm2g6L51rBGdAQT20J3YSOqxC53Lo3bjWRtr2BKcfYoAf352WYpsZSTURrA0tqhfgudPA==",
"license": "MIT",
"dependencies": {
"stubborn-utils": "^1.0.1"
}
},
"node_modules/stubborn-utils": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/stubborn-utils/-/stubborn-utils-1.0.2.tgz",
"integrity": "sha512-zOh9jPYI+xrNOyisSelgym4tolKTJCQd5GBhK0+0xJvcYDcwlOoxF/rnFKQ2KRZknXSG9jWAp66fwP6AxN9STg==",
"license": "MIT"
},
"node_modules/stylis": {
"version": "4.2.0",
"resolved": "https://registry.npmjs.org/stylis/-/stylis-4.2.0.tgz",
@ -6726,6 +6966,15 @@
"integrity": "sha512-05PUHKSNE8ou2dwIxTngl4EzcnsCDZGJ/iCLtDflR/SHB/ny14rXc+qU5P4mG9JkusiV7EivzY9Mhm55AzAvCg==",
"license": "MIT"
},
"node_modules/thread-stream": {
"version": "3.1.0",
"resolved": "https://registry.npmjs.org/thread-stream/-/thread-stream-3.1.0.tgz",
"integrity": "sha512-OqyPZ9u96VohAyMfJykzmivOrY2wfMSf3C5TtFJVgN+Hm6aj+voFhlK+kZEIv2FBh1X6Xp3DlnCOfEQ3B2J86A==",
"license": "MIT",
"dependencies": {
"real-require": "^0.2.0"
}
},
"node_modules/tiny-invariant": {
"version": "1.3.3",
"resolved": "https://registry.npmjs.org/tiny-invariant/-/tiny-invariant-1.3.3.tgz",
@ -7102,7 +7351,7 @@
"version": "1.6.0",
"resolved": "https://registry.npmjs.org/use-sync-external-store/-/use-sync-external-store-1.6.0.tgz",
"integrity": "sha512-Pp6GSwGP/NrPIrxVFAIkOQeyw8lFenOHijQWkUTrDvrF4ALqylP2C/KCkeS9dpUM3KvYRQhna5vt7IL95+ZQ9w==",
"dev": true,
"devOptional": true,
"license": "MIT",
"peerDependencies": {
"react": "^16.8.0 || ^17.0.0 || ^18.0.0 || ^19.0.0"
@ -7323,6 +7572,12 @@
"node": ">=12"
}
},
"node_modules/when-exit": {
"version": "2.1.5",
"resolved": "https://registry.npmjs.org/when-exit/-/when-exit-2.1.5.tgz",
"integrity": "sha512-VGkKJ564kzt6Ms1dbgPP/yuIoQCrsFAnRbptpC5wOEsDaNsbCB2bnfnaA8i/vRs5tjUSEOtIuvl9/MyVsvQZCg==",
"license": "MIT"
},
"node_modules/which": {
"version": "2.0.2",
"resolved": "https://registry.npmjs.org/which/-/which-2.0.2.tgz",
@ -7416,6 +7671,22 @@
"dev": true,
"license": "ISC"
},
"node_modules/yaml": {
"version": "2.9.0",
"resolved": "https://registry.npmjs.org/yaml/-/yaml-2.9.0.tgz",
"integrity": "sha512-2AvhNX3mb8zd6Zy7INTtSpl1F15HW6Wnqj0srWlkKLcpYl/gMIMJiyuGq2KeI2YFxUPjdlB+3Lc10seMLtL4cA==",
"dev": true,
"license": "ISC",
"bin": {
"yaml": "bin.mjs"
},
"engines": {
"node": ">= 14.6"
},
"funding": {
"url": "https://github.com/sponsors/eemeli"
}
},
"node_modules/yocto-queue": {
"version": "0.1.0",
"resolved": "https://registry.npmjs.org/yocto-queue/-/yocto-queue-0.1.0.tgz",
@ -7459,6 +7730,35 @@
"peerDependencies": {
"zod": "^3.25.0 || ^4.0.0"
}
},
"node_modules/zustand": {
"version": "5.0.13",
"resolved": "https://registry.npmjs.org/zustand/-/zustand-5.0.13.tgz",
"integrity": "sha512-efI2tVaVQPqtOh114loML/Z80Y4NP3yc+Ff0fYiZJPauNeWZeIp/bRFD7I9bfmCOYBh/PHxlglQ9+wvlwnPikQ==",
"license": "MIT",
"engines": {
"node": ">=12.20.0"
},
"peerDependencies": {
"@types/react": ">=18.0.0",
"immer": ">=9.0.6",
"react": ">=18.0.0",
"use-sync-external-store": ">=1.2.0"
},
"peerDependenciesMeta": {
"@types/react": {
"optional": true
},
"immer": {
"optional": true
},
"react": {
"optional": true
},
"use-sync-external-store": {
"optional": true
}
}
}
}
}

View file

@ -21,6 +21,7 @@
},
"dependencies": {
"@emotion/react": "^11.14.0",
"@hono/node-server": "^1.19.14",
"@mantine/core": "^8.3.17",
"@mantine/form": "^8.3.17",
"@mantine/hooks": "^8.3.17",
@ -28,10 +29,14 @@
"@modelcontextprotocol/ext-apps": "^1.7.1",
"@modelcontextprotocol/sdk": "^1.29.0",
"ajv": "^8.17.1",
"atomically": "^2.1.1",
"hono": "^4.12.18",
"pino": "^9.14.0",
"react": "^19.2.4",
"react-dom": "^19.2.4",
"react-icons": "^5.6.0",
"zod": "^4.3.6"
"zod": "^4.3.6",
"zustand": "^5.0.13"
},
"devDependencies": {
"@chromatic-com/storybook": "^5.0.1",
@ -44,7 +49,8 @@
"@testing-library/jest-dom": "^6.9.1",
"@testing-library/react": "^16.3.2",
"@testing-library/user-event": "^14.6.1",
"@types/node": "^24.12.0",
"@types/express": "^5.0.6",
"@types/node": "^24.12.4",
"@types/react": "^19.2.14",
"@types/react-dom": "^19.2.3",
"@vitejs/plugin-react": "^6.0.0",
@ -54,6 +60,7 @@
"eslint-plugin-react-hooks": "^7.0.1",
"eslint-plugin-react-refresh": "^0.5.2",
"eslint-plugin-storybook": "^10.2.19",
"express": "^5.2.1",
"globals": "^17.4.0",
"happy-dom": "^20.9.0",
"playwright": "^1.58.2",
@ -62,6 +69,7 @@
"typescript": "~5.9.3",
"typescript-eslint": "^8.56.1",
"vite": "^8.0.0",
"vitest": "^4.1.0"
"vitest": "^4.1.0",
"yaml": "^2.9.0"
}
}

View file

@ -0,0 +1,317 @@
import { describe, it, expect, vi, beforeEach } from "vitest";
import {
discoverScopes,
getAuthorizationServerUrl,
} from "@inspector/core/auth/discovery.js";
import type { OAuthProtectedResourceMetadata } from "@modelcontextprotocol/sdk/shared/auth.js";
// Mock SDK functions
vi.mock("@modelcontextprotocol/sdk/client/auth.js", () => ({
discoverAuthorizationServerMetadata: vi.fn(),
}));
describe("OAuth Scope Discovery", () => {
beforeEach(() => {
vi.clearAllMocks();
});
it("should return scopes from resource metadata when available", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: "http://localhost:3000",
authorization_servers: ["http://localhost:3000"],
scopes_supported: ["read", "write", "admin"],
};
const scopes = await discoverScopes(
"http://localhost:3000",
resourceMetadata,
);
expect(scopes).toBe("read write admin");
});
it("should fall back to OAuth metadata scopes when resource metadata has no scopes", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: "http://localhost:3000",
authorization_servers: ["http://localhost:3000"],
scopes_supported: [],
};
const scopes = await discoverScopes(
"http://localhost:3000",
resourceMetadata,
);
expect(scopes).toBe("read write");
});
it("should fall back to OAuth metadata scopes when resource metadata is not provided", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const scopes = await discoverScopes("http://localhost:3000");
expect(scopes).toBe("read write");
});
it("should return undefined when no scopes are available", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: [],
});
const scopes = await discoverScopes("http://localhost:3000");
expect(scopes).toBeUndefined();
});
it("should return undefined when discovery fails", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockRejectedValue(
new Error("Discovery failed"),
);
const scopes = await discoverScopes("http://localhost:3000");
expect(scopes).toBeUndefined();
});
it("should return undefined when metadata is undefined", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue(undefined);
const scopes = await discoverScopes("http://localhost:3000");
expect(scopes).toBeUndefined();
});
it("should use OAuth metadata scopes when resource has scopes_supported undefined", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: "http://localhost:3000",
authorization_servers: ["http://localhost:3000"],
scopes_supported: undefined as unknown as string[],
};
const scopes = await discoverScopes(
"http://localhost:3000",
resourceMetadata,
);
expect(scopes).toBe("read write");
});
it("should return single scope when only one scope is supported", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: ["openid"],
});
const scopes = await discoverScopes("http://localhost:3000");
expect(scopes).toBe("openid");
});
it("should pass fetchFn to discoverAuthorizationServerMetadata when provided", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
const mockFetchFn = vi.fn();
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
await discoverScopes("http://localhost:3000", undefined, mockFetchFn);
expect(discoverAuthorizationServerMetadata).toHaveBeenCalledWith(
new URL("/", "http://localhost:3000"),
{ fetchFn: mockFetchFn },
);
});
it("should use authorization_servers URL from resource metadata for discovery (different domain)", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "https://auth-server.com",
authorization_endpoint: "https://auth-server.com/authorize",
token_endpoint: "https://auth-server.com/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: "https://mcp-server.com",
authorization_servers: ["https://auth-server.com/"],
scopes_supported: ["read", "write"],
};
const scopes = await discoverScopes(
"https://mcp-server.com",
resourceMetadata,
);
expect(scopes).toBe("read write");
expect(discoverAuthorizationServerMetadata).toHaveBeenCalledWith(
new URL("https://auth-server.com/"),
{ fetchFn: undefined },
);
});
it("should preserve full path in authorization_servers URL", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "https://auth-server.com/realms/my-realm",
authorization_endpoint:
"https://auth-server.com/realms/my-realm/authorize",
token_endpoint: "https://auth-server.com/realms/my-realm/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: "https://mcp-server.com",
authorization_servers: ["https://auth-server.com/realms/my-realm/"],
scopes_supported: ["read", "write"],
};
const scopes = await discoverScopes(
"https://mcp-server.com",
resourceMetadata,
);
expect(scopes).toBe("read write");
expect(discoverAuthorizationServerMetadata).toHaveBeenCalledWith(
new URL("https://auth-server.com/realms/my-realm/"),
{ fetchFn: undefined },
);
});
it("should fall back to serverUrl when authorization_servers is empty", async () => {
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "https://mcp-server.com",
authorization_endpoint: "https://mcp-server.com/authorize",
token_endpoint: "https://mcp-server.com/token",
response_types_supported: ["code"],
scopes_supported: ["read", "write"],
});
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: "https://mcp-server.com",
authorization_servers: [],
scopes_supported: ["read", "write"],
};
const scopes = await discoverScopes(
"https://mcp-server.com",
resourceMetadata,
);
expect(scopes).toBe("read write");
expect(discoverAuthorizationServerMetadata).toHaveBeenCalledWith(
new URL("/", "https://mcp-server.com"),
{ fetchFn: undefined },
);
});
});
describe("getAuthorizationServerUrl", () => {
const serverUrl = "https://mcp.example.com";
it("returns server URL when resourceMetadata is null", () => {
expect(getAuthorizationServerUrl(serverUrl, null)).toEqual(
new URL("/", serverUrl),
);
});
it("returns server URL when resourceMetadata is undefined", () => {
expect(getAuthorizationServerUrl(serverUrl)).toEqual(
new URL("/", serverUrl),
);
});
it("returns server URL when authorization_servers is empty array", () => {
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: serverUrl,
authorization_servers: [],
};
expect(getAuthorizationServerUrl(serverUrl, resourceMetadata)).toEqual(
new URL("/", serverUrl),
);
});
it("falls back to server URL when authorization_servers[0] is empty string", () => {
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: serverUrl,
authorization_servers: [""],
};
expect(getAuthorizationServerUrl(serverUrl, resourceMetadata)).toEqual(
new URL("/", serverUrl),
);
});
it("returns authorization_servers[0] when present and truthy", () => {
const authUrl = "https://auth.example.com/";
const resourceMetadata: OAuthProtectedResourceMetadata = {
resource: serverUrl,
authorization_servers: [authUrl],
};
expect(getAuthorizationServerUrl(serverUrl, resourceMetadata)).toEqual(
new URL(authUrl),
);
});
});

View file

@ -0,0 +1,196 @@
import { describe, it, expect, afterEach } from "vitest";
import {
createOAuthCallbackServer,
type OAuthCallbackServer,
} from "@inspector/core/auth/node/oauth-callback-server.js";
describe("OAuthCallbackServer", () => {
let server: OAuthCallbackServer;
afterEach(async () => {
if (server) await server.stop();
});
it("start() returns port and redirectUrl", async () => {
server = createOAuthCallbackServer();
const result = await server.start({ port: 0 });
expect(result.port).toBeGreaterThan(0);
expect(result.redirectUrl).toBe(
`http://127.0.0.1:${result.port}/oauth/callback`,
);
});
it("start() supports custom host, path, and port", async () => {
server = createOAuthCallbackServer();
const result = await server.start({
hostname: "127.0.0.1",
port: 0,
path: "/custom/path",
});
expect(result.redirectUrl).toBe(
`http://127.0.0.1:${result.port}/custom/path`,
);
});
it("GET /oauth/callback?code=abc&state=xyz returns 200 and invokes onCallback", async () => {
server = createOAuthCallbackServer();
const received: { code?: string; state?: string } = {};
const result = await server.start({
port: 0,
onCallback: async (p) => {
received.code = p.code;
received.state = p.state;
},
});
const res = await fetch(
`http://localhost:${result.port}/oauth/callback?code=authcode123&state=mystate`,
);
expect(res.status).toBe(200);
expect(res.headers.get("content-type")).toContain("text/html");
const html = await res.text();
expect(html).toContain("OAuth complete");
expect(html).toContain("close this window");
expect(received.code).toBe("authcode123");
expect(received.state).toBe("mystate");
});
it("GET /oauth/callback?code=abc returns 200 and invokes onCallback without state", async () => {
server = createOAuthCallbackServer();
const received: { code?: string; state?: string } = {};
const result = await server.start({
port: 0,
onCallback: async (p) => {
received.code = p.code;
received.state = p.state;
},
});
const res = await fetch(
`http://localhost:${result.port}/oauth/callback?code=xyz`,
);
expect(res.status).toBe(200);
expect(received.code).toBe("xyz");
expect(received.state).toBeUndefined();
});
it("GET /oauth/callback/guided returns 404 (single path only)", async () => {
server = createOAuthCallbackServer();
const result = await server.start({ port: 0 });
const res = await fetch(
`http://localhost:${result.port}/oauth/callback/guided?code=guided-code`,
);
expect(res.status).toBe(404);
});
it("GET /oauth/callback?error=access_denied returns 400 and invokes onError", async () => {
server = createOAuthCallbackServer();
const errors: Array<{
error: string;
error_description?: string | null;
}> = [];
const result = await server.start({
port: 0,
onError: (p) => errors.push(p),
});
const res = await fetch(
`http://localhost:${result.port}/oauth/callback?error=access_denied&error_description=User%20denied`,
);
expect(res.status).toBe(400);
const html = await res.text();
expect(html).toContain("OAuth failed");
expect(html).toContain("access_denied");
expect(errors).toHaveLength(1);
expect(errors[0]!.error).toBe("access_denied");
expect(errors[0]!.error_description).toBe("User denied");
});
it("GET /oauth/callback (missing code and error) returns 400", async () => {
server = createOAuthCallbackServer();
const result = await server.start({ port: 0 });
const res = await fetch(
`http://localhost:${result.port}/oauth/callback?state=foo`,
);
expect(res.status).toBe(400);
const html = await res.text();
expect(html).toContain("OAuth failed");
});
it("GET /other returns 404", async () => {
server = createOAuthCallbackServer();
const result = await server.start({ port: 0 });
const res = await fetch(`http://localhost:${result.port}/other`);
expect(res.status).toBe(404);
});
it("POST /oauth/callback returns 405", async () => {
server = createOAuthCallbackServer();
const result = await server.start({ port: 0 });
const res = await fetch(
`http://localhost:${result.port}/oauth/callback?code=x`,
{ method: "POST" },
);
expect(res.status).toBe(405);
});
it("stops server after first successful callback so second request fails", async () => {
server = createOAuthCallbackServer();
const result = await server.start({
port: 0,
onCallback: async () => {},
});
const first = await fetch(
`http://localhost:${result.port}/oauth/callback?code=first`,
);
expect(first.status).toBe(200);
// Server stops after sending 200, so second request gets connection refused
await expect(
fetch(`http://localhost:${result.port}/oauth/callback?code=second`),
).rejects.toThrow();
});
it("stop() closes the server", async () => {
server = createOAuthCallbackServer();
const result = await server.start({ port: 0 });
await server.stop();
await expect(
fetch(`http://localhost:${result.port}/oauth/callback?code=x`),
).rejects.toThrow();
});
it("onCallback rejection returns 500 and error HTML", async () => {
server = createOAuthCallbackServer();
const result = await server.start({
port: 0,
onCallback: async () => {
throw new Error("exchange failed");
},
});
const res = await fetch(
`http://localhost:${result.port}/oauth/callback?code=abc`,
);
expect(res.status).toBe(500);
const html = await res.text();
expect(html).toContain("OAuth failed");
expect(html).toContain("exchange failed");
});
});

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import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
import {
ConsoleNavigation,
CallbackNavigation,
} from "@inspector/core/auth/providers.js";
import { BrowserNavigation } from "@inspector/core/auth/browser/providers.js";
describe("OAuthNavigation", () => {
describe("ConsoleNavigation", () => {
it("should log authorization URL to console", () => {
const navigation = new ConsoleNavigation();
const authUrl = new URL("http://example.com/authorize?client_id=123");
const consoleSpy = vi.spyOn(console, "log").mockImplementation(() => {});
navigation.navigateToAuthorization(authUrl);
expect(consoleSpy).toHaveBeenCalledWith(
"Please navigate to: http://example.com/authorize?client_id=123",
);
consoleSpy.mockRestore();
});
});
describe("CallbackNavigation", () => {
it("should invoke callback and store authorization URL for retrieval", () => {
const callback = vi.fn();
const navigation = new CallbackNavigation(callback);
const authUrl = new URL("http://example.com/authorize?client_id=123");
expect(navigation.getAuthorizationUrl()).toBeNull();
navigation.navigateToAuthorization(authUrl);
expect(callback).toHaveBeenCalledWith(authUrl);
expect(navigation.getAuthorizationUrl()).toBe(authUrl);
});
});
describe("BrowserNavigation", () => {
// Mock window.location for Node.js environment
type GlobalWithWindow = typeof globalThis & {
window?: { location: { href: string } };
};
const originalWindow = (global as GlobalWithWindow).window;
beforeEach(() => {
(global as GlobalWithWindow).window = {
location: { href: "http://localhost:5173" },
} as GlobalWithWindow["window"];
});
afterEach(() => {
(global as GlobalWithWindow).window = originalWindow;
});
it("should set window.location.href to authorization URL", () => {
const navigation = new BrowserNavigation();
const authUrl = new URL("http://example.com/authorize?client_id=123");
navigation.navigateToAuthorization(authUrl);
expect((global as GlobalWithWindow).window!.location.href).toBe(
authUrl.toString(),
);
});
it("should throw error in non-browser environment", () => {
(global as GlobalWithWindow).window =
undefined as unknown as GlobalWithWindow["window"];
const navigation = new BrowserNavigation();
const authUrl = new URL("http://example.com/authorize");
expect(() => navigation.navigateToAuthorization(authUrl)).toThrow(
"BrowserNavigation requires browser environment",
);
});
});
});

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import { describe, it, expect, vi, beforeEach } from "vitest";
import {
OAuthStateMachine,
oauthTransitions,
} from "@inspector/core/auth/state-machine.js";
import type { AuthGuidedState, OAuthStep } from "@inspector/core/auth/types.js";
import { EMPTY_GUIDED_STATE } from "@inspector/core/auth/types.js";
import type { BaseOAuthClientProvider } from "@inspector/core/auth/providers.js";
import type {
OAuthMetadata,
OAuthProtectedResourceMetadata,
} from "@modelcontextprotocol/sdk/shared/auth.js";
// Mock SDK functions
vi.mock("@modelcontextprotocol/sdk/client/auth.js", () => ({
discoverAuthorizationServerMetadata: vi.fn(),
discoverOAuthProtectedResourceMetadata: vi.fn(),
registerClient: vi.fn(),
startAuthorization: vi.fn(),
exchangeAuthorization: vi.fn(),
selectResourceURL: vi.fn(),
}));
describe("OAuthStateMachine", () => {
let mockProvider: BaseOAuthClientProvider;
let updateState: (updates: Partial<AuthGuidedState>) => void;
let state: AuthGuidedState;
beforeEach(() => {
state = { ...EMPTY_GUIDED_STATE };
updateState = vi.fn((updates: Partial<AuthGuidedState>) => {
state = { ...state, ...updates };
});
mockProvider = {
serverUrl: "http://localhost:3000",
redirectUrl: "http://localhost:3000/callback",
scope: "read write",
clientMetadata: {
redirect_uris: ["http://localhost:3000/callback"],
token_endpoint_auth_method: "none",
grant_types: ["authorization_code"],
response_types: ["code"],
client_name: "Test Client",
scope: "read write",
},
clientInformation: vi.fn(),
saveClientInformation: vi.fn(),
tokens: vi.fn(),
saveTokens: vi.fn(),
codeVerifier: vi.fn(() => "test-code-verifier"),
clear: vi.fn(),
state: vi.fn(() => "test-state"),
getServerMetadata: vi.fn(() => null),
saveServerMetadata: vi.fn(),
} as unknown as BaseOAuthClientProvider;
});
describe("oauthTransitions", () => {
it("should have transitions for all OAuth steps", () => {
const steps: OAuthStep[] = [
"metadata_discovery",
"client_registration",
"authorization_redirect",
"authorization_code",
"token_request",
"complete",
];
steps.forEach((step) => {
expect(oauthTransitions[step]).toBeDefined();
expect(oauthTransitions[step].canTransition).toBeDefined();
expect(oauthTransitions[step].execute).toBeDefined();
});
});
});
describe("OAuthStateMachine", () => {
it("should create state machine instance", () => {
const stateMachine = new OAuthStateMachine(
"http://localhost:3000",
mockProvider,
updateState,
);
expect(stateMachine).toBeDefined();
});
it("should update state when executeStep is called", async () => {
const stateMachine = new OAuthStateMachine(
"http://localhost:3000",
mockProvider,
updateState,
);
const { discoverAuthorizationServerMetadata } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
} as OAuthMetadata);
await stateMachine.executeStep(state);
expect(updateState).toHaveBeenCalled();
});
});
describe("Resource metadata discovery and selection", () => {
const serverUrl = "http://localhost:3000";
const resourceMetadata = {
resource: "http://localhost:3000",
authorization_servers: ["http://localhost:3000"],
scopes_supported: ["read", "write"],
};
beforeEach(async () => {
const {
discoverAuthorizationServerMetadata,
discoverOAuthProtectedResourceMetadata,
selectResourceURL,
} = await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
} as OAuthMetadata);
vi.mocked(discoverOAuthProtectedResourceMetadata).mockReset();
vi.mocked(selectResourceURL).mockReset();
});
it("should discover resource metadata from well-known and use first authorization server", async () => {
const selectedResource = new URL("http://localhost:3000");
const { discoverOAuthProtectedResourceMetadata, selectResourceURL } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverOAuthProtectedResourceMetadata).mockResolvedValue(
resourceMetadata as OAuthProtectedResourceMetadata,
);
vi.mocked(selectResourceURL).mockResolvedValue(selectedResource);
const stateMachine = new OAuthStateMachine(
serverUrl,
mockProvider,
updateState,
);
await stateMachine.executeStep(state);
expect(discoverOAuthProtectedResourceMetadata).toHaveBeenCalledWith(
serverUrl,
);
expect(selectResourceURL).toHaveBeenCalledWith(
serverUrl,
mockProvider,
resourceMetadata,
);
expect(updateState).toHaveBeenCalledWith(
expect.objectContaining({
resourceMetadata,
resource: selectedResource,
resourceMetadataError: null,
authServerUrl: new URL("http://localhost:3000"),
oauthStep: "client_registration",
}),
);
});
it("should use authorization_servers URL from resource metadata for auth server discovery", async () => {
const authServerUrl = "https://auth-server.com/";
const resourceMetaDifferentAuth: OAuthProtectedResourceMetadata = {
resource: serverUrl,
authorization_servers: [authServerUrl],
scopes_supported: ["read", "write"],
};
const selectedResource = new URL(serverUrl);
const {
discoverOAuthProtectedResourceMetadata,
discoverAuthorizationServerMetadata,
selectResourceURL,
} = await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverOAuthProtectedResourceMetadata).mockResolvedValue(
resourceMetaDifferentAuth,
);
vi.mocked(selectResourceURL).mockResolvedValue(selectedResource);
const stateMachine = new OAuthStateMachine(
serverUrl,
mockProvider,
updateState,
);
await stateMachine.executeStep(state);
expect(discoverAuthorizationServerMetadata).toHaveBeenCalledWith(
new URL(authServerUrl),
expect.any(Object),
);
expect(updateState).toHaveBeenCalledWith(
expect.objectContaining({
resourceMetadata: resourceMetaDifferentAuth,
authServerUrl: new URL(authServerUrl),
oauthStep: "client_registration",
}),
);
});
it("should call selectResourceURL only when resource metadata is present", async () => {
const { discoverOAuthProtectedResourceMetadata, selectResourceURL } =
await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverOAuthProtectedResourceMetadata).mockRejectedValue(
new Error(
"Resource server does not implement OAuth 2.0 Protected Resource Metadata.",
),
);
const stateMachine = new OAuthStateMachine(
serverUrl,
mockProvider,
updateState,
);
await stateMachine.executeStep(state);
expect(selectResourceURL).not.toHaveBeenCalled();
expect(updateState).toHaveBeenCalledWith(
expect.objectContaining({
resourceMetadata: null,
resourceMetadataError: expect.any(Error),
oauthStep: "client_registration",
}),
);
});
it("should use default auth server URL when discovery fails", async () => {
const {
discoverOAuthProtectedResourceMetadata,
discoverAuthorizationServerMetadata,
} = await import("@modelcontextprotocol/sdk/client/auth.js");
vi.mocked(discoverOAuthProtectedResourceMetadata).mockRejectedValue(
new Error("Discovery failed"),
);
vi.mocked(discoverAuthorizationServerMetadata).mockResolvedValue({
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
} as OAuthMetadata);
const stateMachine = new OAuthStateMachine(
serverUrl,
mockProvider,
updateState,
);
await stateMachine.executeStep(state);
expect(discoverAuthorizationServerMetadata).toHaveBeenCalledWith(
new URL("/", serverUrl),
{}, // No fetchFn when not provided (conditional spread omits it)
);
expect(updateState).toHaveBeenCalledWith(
expect.objectContaining({
authServerUrl: new URL("/", serverUrl),
}),
);
});
it("should use default auth server when metadata has empty authorization_servers", async () => {
const { discoverOAuthProtectedResourceMetadata, selectResourceURL } =
await import("@modelcontextprotocol/sdk/client/auth.js");
const metaNoServers = {
...resourceMetadata,
authorization_servers: [] as string[],
};
vi.mocked(discoverOAuthProtectedResourceMetadata).mockResolvedValue(
metaNoServers as OAuthProtectedResourceMetadata,
);
vi.mocked(selectResourceURL).mockResolvedValue(
new URL("http://localhost:3000"),
);
const stateMachine = new OAuthStateMachine(
serverUrl,
mockProvider,
updateState,
);
await stateMachine.executeStep(state);
expect(selectResourceURL).toHaveBeenCalledWith(
serverUrl,
mockProvider,
metaNoServers,
);
expect(updateState).toHaveBeenCalledWith(
expect.objectContaining({
resourceMetadata: metaNoServers,
authServerUrl: new URL("/", serverUrl),
oauthStep: "client_registration",
}),
);
});
it("should pass fetchFn to registerClient when provided", async () => {
const { registerClient } =
await import("@modelcontextprotocol/sdk/client/auth.js");
const mockFetchFn = vi.fn();
vi.mocked(registerClient).mockResolvedValue({
redirect_uris: ["http://localhost/callback"],
client_id: "registered-client-id",
});
const stateMachine = new OAuthStateMachine(
serverUrl,
mockProvider,
updateState,
mockFetchFn,
);
await stateMachine.executeStep(state);
expect(state.oauthStep).toBe("client_registration");
await stateMachine.executeStep(state);
expect(registerClient).toHaveBeenCalledWith(
serverUrl,
expect.objectContaining({
fetchFn: mockFetchFn,
}),
);
});
it("should pass fetchFn to exchangeAuthorization when provided", async () => {
const { exchangeAuthorization } =
await import("@modelcontextprotocol/sdk/client/auth.js");
const mockFetchFn = vi.fn();
const metadata = {
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
};
vi.mocked(exchangeAuthorization).mockResolvedValue({
access_token: "test-token",
token_type: "Bearer",
});
const providerWithMetadata = {
...mockProvider,
getServerMetadata: vi.fn(() => metadata),
} as unknown as BaseOAuthClientProvider;
const tokenRequestState: AuthGuidedState = {
...EMPTY_GUIDED_STATE,
oauthStep: "token_request",
oauthMetadata: metadata as OAuthMetadata,
oauthClientInfo: { client_id: "test-client" },
authorizationCode: "test-code",
};
const stateMachine = new OAuthStateMachine(
serverUrl,
providerWithMetadata,
updateState,
mockFetchFn,
);
await stateMachine.executeStep(tokenRequestState);
expect(exchangeAuthorization).toHaveBeenCalledWith(
serverUrl,
expect.objectContaining({
fetchFn: mockFetchFn,
}),
);
});
});
});

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import { describe, it, expect, beforeEach, afterEach } from "vitest";
import { BrowserOAuthStorage } from "@inspector/core/auth/browser/storage.js";
import type {
OAuthClientInformation,
OAuthTokens,
OAuthMetadata,
} from "@modelcontextprotocol/sdk/shared/auth.js";
// Mock sessionStorage for Node.js environment
class MockSessionStorage implements Storage {
private storage: Map<string, string> = new Map();
get length(): number {
return this.storage.size;
}
key(index: number): string | null {
const keys = [...this.storage.keys()];
return keys[index] ?? null;
}
getItem(key: string): string | null {
return this.storage.get(key) || null;
}
setItem(key: string, value: string): void {
this.storage.set(key, value);
}
removeItem(key: string): void {
this.storage.delete(key);
}
clear(): void {
this.storage.clear();
}
}
// Set up global sessionStorage mock
const mockSessionStorage = new MockSessionStorage();
(global as typeof globalThis & { sessionStorage?: Storage }).sessionStorage =
mockSessionStorage;
describe("BrowserOAuthStorage", () => {
let storage: BrowserOAuthStorage;
const testServerUrl = "http://localhost:3000";
beforeEach(() => {
storage = new BrowserOAuthStorage();
mockSessionStorage.clear();
});
afterEach(() => {
mockSessionStorage.clear();
});
describe("getClientInformation", () => {
it("should return undefined when no client information is stored", async () => {
const result = await storage.getClientInformation(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored client information", async () => {
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
client_secret: "test-secret",
};
storage.saveClientInformation(testServerUrl, clientInfo);
const result = await storage.getClientInformation(testServerUrl);
expect(result).toEqual(clientInfo);
});
it("should return preregistered client information when requested", async () => {
const preregisteredInfo: OAuthClientInformation = {
client_id: "preregistered-id",
client_secret: "preregistered-secret",
};
// Use the storage API instead of manually setting sessionStorage
// since BrowserOAuthStorage now uses Zustand with a different storage format
storage.savePreregisteredClientInformation(
testServerUrl,
preregisteredInfo,
);
// Wait for Zustand to persist
await new Promise((resolve) => setTimeout(resolve, 100));
const result = await storage.getClientInformation(testServerUrl, true);
expect(result).toEqual(preregisteredInfo);
});
});
describe("saveClientInformation", () => {
it("should save client information", async () => {
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
storage.saveClientInformation(testServerUrl, clientInfo);
const result = await storage.getClientInformation(testServerUrl);
expect(result).toEqual(clientInfo);
});
it("should overwrite existing client information", async () => {
const firstInfo: OAuthClientInformation = {
client_id: "first-id",
};
const secondInfo: OAuthClientInformation = {
client_id: "second-id",
};
storage.saveClientInformation(testServerUrl, firstInfo);
storage.saveClientInformation(testServerUrl, secondInfo);
const result = await storage.getClientInformation(testServerUrl);
expect(result).toEqual(secondInfo);
});
});
describe("getTokens", () => {
it("should return undefined when no tokens are stored", async () => {
const result = await storage.getTokens(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored tokens", async () => {
const tokens: OAuthTokens = {
access_token: "test-access-token",
token_type: "Bearer",
expires_in: 3600,
};
storage.saveTokens(testServerUrl, tokens);
const result = await storage.getTokens(testServerUrl);
expect(result).toEqual(tokens);
});
});
describe("saveTokens", () => {
it("should save tokens", async () => {
const tokens: OAuthTokens = {
access_token: "test-access-token",
token_type: "Bearer",
};
storage.saveTokens(testServerUrl, tokens);
const result = await storage.getTokens(testServerUrl);
expect(result).toEqual(tokens);
});
});
describe("getCodeVerifier", () => {
it("should return undefined when no code verifier is stored", async () => {
const result = await storage.getCodeVerifier(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored code verifier", async () => {
const codeVerifier = "test-code-verifier";
storage.saveCodeVerifier(testServerUrl, codeVerifier);
const result = await storage.getCodeVerifier(testServerUrl);
expect(result).toBe(codeVerifier);
});
});
describe("saveCodeVerifier", () => {
it("should save code verifier", async () => {
const codeVerifier = "test-code-verifier";
storage.saveCodeVerifier(testServerUrl, codeVerifier);
const result = await storage.getCodeVerifier(testServerUrl);
expect(result).toBe(codeVerifier);
});
});
describe("getScope", () => {
it("should return undefined when no scope is stored", async () => {
const result = await storage.getScope(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored scope", async () => {
const scope = "read write";
storage.saveScope(testServerUrl, scope);
const result = await storage.getScope(testServerUrl);
expect(result).toBe(scope);
});
});
describe("saveScope", () => {
it("should save scope", async () => {
const scope = "read write";
storage.saveScope(testServerUrl, scope);
const result = await storage.getScope(testServerUrl);
expect(result).toBe(scope);
});
});
describe("getServerMetadata", () => {
it("should return null when no metadata is stored", async () => {
const result = await storage.getServerMetadata(testServerUrl);
expect(result).toBeNull();
});
it("should return stored metadata", async () => {
const metadata: OAuthMetadata = {
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
};
storage.saveServerMetadata(testServerUrl, metadata);
const result = await storage.getServerMetadata(testServerUrl);
expect(result).toEqual(metadata);
});
});
describe("saveServerMetadata", () => {
it("should save server metadata", async () => {
const metadata: OAuthMetadata = {
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
};
storage.saveServerMetadata(testServerUrl, metadata);
const result = await storage.getServerMetadata(testServerUrl);
expect(result).toEqual(metadata);
});
});
describe("clearServerState", () => {
it("should clear all state for a server", async () => {
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
const tokens: OAuthTokens = {
access_token: "test-token",
token_type: "Bearer",
};
storage.saveClientInformation(testServerUrl, clientInfo);
storage.saveTokens(testServerUrl, tokens);
storage.clear(testServerUrl);
expect(await storage.getClientInformation(testServerUrl)).toBeUndefined();
expect(await storage.getTokens(testServerUrl)).toBeUndefined();
});
it("should not affect state for other servers", async () => {
const otherServerUrl = "http://localhost:4000";
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
storage.saveClientInformation(testServerUrl, clientInfo);
storage.saveClientInformation(otherServerUrl, clientInfo);
storage.clear(testServerUrl);
expect(await storage.getClientInformation(testServerUrl)).toBeUndefined();
expect(await storage.getClientInformation(otherServerUrl)).toEqual(
clientInfo,
);
});
});
describe("multiple servers", () => {
it("should store separate state for different servers", async () => {
const server1Url = "http://localhost:3000";
const server2Url = "http://localhost:4000";
const clientInfo1: OAuthClientInformation = {
client_id: "client-1",
};
const clientInfo2: OAuthClientInformation = {
client_id: "client-2",
};
storage.saveClientInformation(server1Url, clientInfo1);
storage.saveClientInformation(server2Url, clientInfo2);
expect(await storage.getClientInformation(server1Url)).toEqual(
clientInfo1,
);
expect(await storage.getClientInformation(server2Url)).toEqual(
clientInfo2,
);
});
});
});

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import { describe, it, expect, beforeEach, afterEach } from "vitest";
import {
NodeOAuthStorage,
getOAuthStore,
} from "@inspector/core/auth/node/storage-node.js";
import type {
OAuthClientInformation,
OAuthTokens,
OAuthMetadata,
} from "@modelcontextprotocol/sdk/shared/auth.js";
import * as fs from "node:fs/promises";
import * as path from "node:path";
import * as os from "node:os";
import { waitForStateFile } from "@modelcontextprotocol/inspector-test-server";
// Unique path per process so parallel test files don't share the same state file
const testStatePath = path.join(
os.tmpdir(),
`mcp-inspector-oauth-${process.pid}-storage-node.json`,
);
describe("NodeOAuthStorage", () => {
let storage: NodeOAuthStorage;
const testServerUrl = "http://localhost:3000";
const stateFilePath = testStatePath;
beforeEach(async () => {
// Clean up any existing state file
try {
await fs.unlink(stateFilePath);
} catch {
// Ignore if file doesn't exist
}
// Reset store state by clearing all servers
const store = getOAuthStore(testStatePath);
const state = store.getState();
// Clear all server states
Object.keys(state.servers).forEach((url) => {
state.clearServerState(url);
});
storage = new NodeOAuthStorage(testStatePath);
});
afterEach(async () => {
// Clean up state file after each test
try {
await fs.unlink(stateFilePath);
} catch {
// Ignore if file doesn't exist
}
// Reset store state
const store = getOAuthStore(testStatePath);
const state = store.getState();
Object.keys(state.servers).forEach((url) => {
state.clearServerState(url);
});
});
describe("getClientInformation", () => {
it("should return undefined when no client information is stored", async () => {
const result = await storage.getClientInformation(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored client information", async () => {
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
client_secret: "test-secret",
};
await storage.saveClientInformation(testServerUrl, clientInfo);
const result = await storage.getClientInformation(testServerUrl);
expect(result).toBeDefined();
expect(result?.client_id).toBe(clientInfo.client_id);
expect(result?.client_secret).toBe(clientInfo.client_secret);
});
it("should return preregistered client information when requested", async () => {
const preregisteredInfo: OAuthClientInformation = {
client_id: "preregistered-id",
client_secret: "preregistered-secret",
};
// Store as preregistered by directly setting it in the store
const store = getOAuthStore(testStatePath);
store.getState().setServerState(testServerUrl, {
preregisteredClientInformation: preregisteredInfo,
});
const result = await storage.getClientInformation(testServerUrl, true);
expect(result).toBeDefined();
expect(result?.client_id).toBe(preregisteredInfo.client_id);
expect(result?.client_secret).toBe(preregisteredInfo.client_secret);
});
});
describe("saveClientInformation", () => {
it("should save client information", async () => {
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
await storage.saveClientInformation(testServerUrl, clientInfo);
const result = await storage.getClientInformation(testServerUrl);
expect(result).toBeDefined();
expect(result?.client_id).toBe(clientInfo.client_id);
});
it("should overwrite existing client information", async () => {
const firstInfo: OAuthClientInformation = {
client_id: "first-id",
};
const secondInfo: OAuthClientInformation = {
client_id: "second-id",
};
storage.saveClientInformation(testServerUrl, firstInfo);
storage.saveClientInformation(testServerUrl, secondInfo);
const result = await storage.getClientInformation(testServerUrl);
expect(result).toBeDefined();
expect(result?.client_id).toBe(secondInfo.client_id);
});
});
describe("getTokens", () => {
it("should return undefined when no tokens are stored", async () => {
const result = await storage.getTokens(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored tokens", async () => {
const tokens: OAuthTokens = {
access_token: "test-access-token",
token_type: "Bearer",
expires_in: 3600,
};
await storage.saveTokens(testServerUrl, tokens);
const result = await storage.getTokens(testServerUrl);
expect(result).toEqual(tokens);
});
it("should persist and return refresh_token", async () => {
const tokens: OAuthTokens = {
access_token: "test-access-token",
token_type: "Bearer",
expires_in: 3600,
refresh_token: "test-refresh-token",
};
await storage.saveTokens(testServerUrl, tokens);
const result = await storage.getTokens(testServerUrl);
expect(result).toBeDefined();
expect(result?.access_token).toBe(tokens.access_token);
expect(result?.refresh_token).toBe(tokens.refresh_token);
});
});
describe("saveTokens", () => {
it("should save tokens", async () => {
const tokens: OAuthTokens = {
access_token: "test-access-token",
token_type: "Bearer",
};
await storage.saveTokens(testServerUrl, tokens);
const result = await storage.getTokens(testServerUrl);
expect(result).toEqual(tokens);
});
it("should overwrite existing tokens", async () => {
const firstTokens: OAuthTokens = {
access_token: "first-token",
token_type: "Bearer",
};
const secondTokens: OAuthTokens = {
access_token: "second-token",
token_type: "Bearer",
};
await storage.saveTokens(testServerUrl, firstTokens);
await storage.saveTokens(testServerUrl, secondTokens);
const result = await storage.getTokens(testServerUrl);
expect(result).toEqual(secondTokens);
});
});
describe("getCodeVerifier", () => {
it("should return undefined when no code verifier is stored", async () => {
const result = await storage.getCodeVerifier(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored code verifier", async () => {
const codeVerifier = "test-code-verifier";
await storage.saveCodeVerifier(testServerUrl, codeVerifier);
const result = await storage.getCodeVerifier(testServerUrl);
expect(result).toBe(codeVerifier);
});
});
describe("saveCodeVerifier", () => {
it("should save code verifier", async () => {
const codeVerifier = "test-code-verifier";
await storage.saveCodeVerifier(testServerUrl, codeVerifier);
const result = await storage.getCodeVerifier(testServerUrl);
expect(result).toBe(codeVerifier);
});
});
describe("getScope", () => {
it("should return undefined when no scope is stored", async () => {
const result = await storage.getScope(testServerUrl);
expect(result).toBeUndefined();
});
it("should return stored scope", async () => {
const scope = "read write";
await storage.saveScope(testServerUrl, scope);
const result = await storage.getScope(testServerUrl);
expect(result).toBe(scope);
});
});
describe("saveScope", () => {
it("should save scope", async () => {
const scope = "read write";
await storage.saveScope(testServerUrl, scope);
const result = await storage.getScope(testServerUrl);
expect(result).toBe(scope);
});
});
describe("getServerMetadata", () => {
it("should return null when no metadata is stored", async () => {
const result = await storage.getServerMetadata(testServerUrl);
expect(result).toBeNull();
});
it("should return stored metadata", async () => {
const metadata: OAuthMetadata = {
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
};
await storage.saveServerMetadata(testServerUrl, metadata);
const result = await storage.getServerMetadata(testServerUrl);
expect(result).toEqual(metadata);
});
});
describe("saveServerMetadata", () => {
it("should save server metadata", async () => {
const metadata: OAuthMetadata = {
issuer: "http://localhost:3000",
authorization_endpoint: "http://localhost:3000/authorize",
token_endpoint: "http://localhost:3000/token",
response_types_supported: ["code"],
};
await storage.saveServerMetadata(testServerUrl, metadata);
const result = await storage.getServerMetadata(testServerUrl);
expect(result).toEqual(metadata);
});
});
describe("clearServerState", () => {
it("should clear all state for a server", async () => {
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
const tokens: OAuthTokens = {
access_token: "test-token",
token_type: "Bearer",
};
await storage.saveClientInformation(testServerUrl, clientInfo);
await storage.saveTokens(testServerUrl, tokens);
storage.clear(testServerUrl);
expect(await storage.getClientInformation(testServerUrl)).toBeUndefined();
expect(await storage.getTokens(testServerUrl)).toBeUndefined();
});
it("should not affect state for other servers", async () => {
const otherServerUrl = "http://localhost:4000";
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
await storage.saveClientInformation(testServerUrl, clientInfo);
await storage.saveClientInformation(otherServerUrl, clientInfo);
storage.clear(testServerUrl);
expect(await storage.getClientInformation(testServerUrl)).toBeUndefined();
const otherResult = await storage.getClientInformation(otherServerUrl);
expect(otherResult).toBeDefined();
expect(otherResult?.client_id).toBe(clientInfo.client_id);
expect(otherResult).toEqual(clientInfo);
});
});
describe("multiple servers", () => {
it("should store separate state for different servers", async () => {
const server1Url = "http://localhost:3000";
const server2Url = "http://localhost:4000";
const clientInfo1: OAuthClientInformation = {
client_id: "client-1",
};
const clientInfo2: OAuthClientInformation = {
client_id: "client-2",
};
storage.saveClientInformation(server1Url, clientInfo1);
storage.saveClientInformation(server2Url, clientInfo2);
const result1 = await storage.getClientInformation(server1Url);
const result2 = await storage.getClientInformation(server2Url);
expect(result1).toEqual(clientInfo1);
expect(result2).toEqual(clientInfo2);
});
});
});
describe("OAuth Store (Zustand)", () => {
const stateFilePath = testStatePath;
beforeEach(async () => {
try {
await fs.unlink(stateFilePath);
} catch {
// Ignore if file doesn't exist
}
});
afterEach(async () => {
try {
await fs.unlink(stateFilePath);
} catch {
// Ignore if file doesn't exist
}
});
it("should create a new store", () => {
const store = getOAuthStore(testStatePath);
expect(store).toBeDefined();
expect(store.getState).toBeDefined();
expect(store.setState).toBeDefined();
});
it("should return the same store instance via getOAuthStore", () => {
const store1 = getOAuthStore(testStatePath);
const store2 = getOAuthStore(testStatePath);
expect(store1).toBe(store2);
});
it("should persist state to file", async () => {
// Use a unique path so no other test (e.g. "should overwrite..." with second-id) can
// write to the same file; Zustand persist is async and can race with shared paths.
const persistTestPath = path.join(
os.tmpdir(),
`mcp-inspector-oauth-persist-${Date.now()}-${Math.random().toString(36).slice(2)}.json`,
);
try {
if (process.env.DEBUG_WAIT_FOR_STATE_FILE === "1") {
console.error("[storage-node.test] state file path:", persistTestPath);
}
const store = getOAuthStore(persistTestPath);
const serverUrl = "http://localhost:3000";
const clientInfo: OAuthClientInformation = {
client_id: "test-client-id",
};
store.getState().setServerState(serverUrl, {
clientInformation: clientInfo,
});
type StateShape = {
state: {
servers: Record<
string,
{ clientInformation?: OAuthClientInformation }
>;
};
};
const parsed = await waitForStateFile<StateShape>(
persistTestPath,
(p) => {
const s = (p as StateShape)?.state?.servers?.[serverUrl];
return !!s?.clientInformation;
},
{ timeout: 2000, interval: 50 },
);
expect(parsed.state.servers[serverUrl]?.clientInformation).toEqual(
clientInfo,
);
} finally {
try {
await fs.unlink(persistTestPath);
} catch {
/* ignore */
}
}
});
});
describe("NodeOAuthStorage with custom storagePath", () => {
const testServerUrl = "http://localhost:3999";
it("should use custom path for state file", async () => {
const customPath = path.join(
os.tmpdir(),
`mcp-inspector-oauth-test-${Date.now()}-${Math.random().toString(36).slice(2)}.json`,
);
try {
const storage = new NodeOAuthStorage(customPath);
const tokens: OAuthTokens = {
access_token: "custom-path-token",
token_type: "Bearer",
refresh_token: "custom-refresh",
};
await storage.saveTokens(testServerUrl, tokens);
type StateShape = {
state: {
servers: Record<string, { tokens?: { access_token?: string } }>;
};
};
const parsed = await waitForStateFile<StateShape>(
customPath,
(p) => {
const t = (p as StateShape)?.state?.servers?.[testServerUrl]?.tokens;
return t?.access_token === tokens.access_token;
},
{ timeout: 2000, interval: 50 },
);
expect(parsed.state.servers[testServerUrl]?.tokens?.access_token).toBe(
tokens.access_token,
);
const stored = await storage.getTokens(testServerUrl);
expect(stored?.access_token).toBe(tokens.access_token);
expect(stored?.refresh_token).toBe(tokens.refresh_token);
} finally {
try {
await fs.unlink(customPath);
} catch {
/* ignore */
}
}
});
it("should isolate state from default store", async () => {
const customPath = path.join(
os.tmpdir(),
`mcp-inspector-oauth-isolate-${Date.now()}-${Math.random().toString(36).slice(2)}.json`,
);
try {
const defaultStore = getOAuthStore();
defaultStore.getState().setServerState(testServerUrl, {
tokens: {
access_token: "default-token",
token_type: "Bearer",
},
});
const customStorage = new NodeOAuthStorage(customPath);
await customStorage.saveTokens(testServerUrl, {
access_token: "custom-token",
token_type: "Bearer",
});
const fromCustom = await customStorage.getTokens(testServerUrl);
expect(fromCustom?.access_token).toBe("custom-token");
const defaultStorage = new NodeOAuthStorage();
const fromDefault = await defaultStorage.getTokens(testServerUrl);
expect(fromDefault?.access_token).toBe("default-token");
defaultStore.getState().clearServerState(testServerUrl);
} finally {
try {
await fs.unlink(customPath);
} catch {
/* ignore */
}
}
});
});

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import { describe, it, expect } from "vitest";
import {
parseOAuthCallbackParams,
generateOAuthState,
generateOAuthStateWithMode,
parseOAuthState,
generateOAuthErrorDescription,
} from "@inspector/core/auth/utils.js";
describe("OAuth Utils", () => {
describe("parseOAuthCallbackParams", () => {
it("should parse successful callback with code", () => {
const location = "?code=abc123&state=xyz789";
const result = parseOAuthCallbackParams(location);
expect(result.successful).toBe(true);
if (result.successful) {
expect(result.code).toBe("abc123");
}
});
it("should parse error callback", () => {
const location =
"?error=access_denied&error_description=User%20denied%20access";
const result = parseOAuthCallbackParams(location);
expect(result.successful).toBe(false);
if (!result.successful) {
expect(result.error).toBe("access_denied");
expect(result.error_description).toBe("User denied access");
}
});
it("should parse error callback with error_uri", () => {
const location =
"?error=invalid_request&error_description=Invalid%20request&error_uri=https://example.com/error";
const result = parseOAuthCallbackParams(location);
expect(result.successful).toBe(false);
if (!result.successful) {
expect(result.error).toBe("invalid_request");
expect(result.error_description).toBe("Invalid request");
expect(result.error_uri).toBe("https://example.com/error");
}
});
it("should return invalid_request when neither code nor error is present", () => {
const location = "?state=xyz789";
const result = parseOAuthCallbackParams(location);
expect(result.successful).toBe(false);
if (!result.successful) {
expect(result.error).toBe("invalid_request");
expect(result.error_description).toBe(
"Missing code or error in response",
);
}
});
it("should handle empty query string", () => {
const location = "";
const result = parseOAuthCallbackParams(location);
expect(result.successful).toBe(false);
if (!result.successful) {
expect(result.error).toBe("invalid_request");
}
});
it("should handle URL-encoded values", () => {
const location = "?code=abc%20123&error_description=Test%20%26%20More";
const result = parseOAuthCallbackParams(location);
expect(result.successful).toBe(true);
if (result.successful) {
expect(result.code).toBe("abc 123");
}
});
});
describe("generateOAuthState", () => {
it("should generate a random state string", () => {
const state1 = generateOAuthState();
const state2 = generateOAuthState();
expect(typeof state1).toBe("string");
expect(state1.length).toBeGreaterThan(0);
expect(state1).not.toBe(state2); // Should be different each time
});
it("should generate state with consistent length", () => {
const states = Array.from({ length: 10 }, () => generateOAuthState());
const lengths = states.map((s) => s.length);
const uniqueLengths = new Set(lengths);
// All states should have the same length (64 hex characters for 32 bytes)
expect(uniqueLengths.size).toBe(1);
expect(lengths[0]).toBe(64);
});
it("should generate valid hex string", () => {
const state = generateOAuthState();
const hexPattern = /^[0-9a-f]+$/;
expect(hexPattern.test(state)).toBe(true);
});
});
describe("generateOAuthStateWithMode", () => {
it("should generate state with normal prefix", () => {
const state = generateOAuthStateWithMode("normal");
expect(state.startsWith("normal:")).toBe(true);
expect(state.slice(7)).toMatch(/^[0-9a-f]{64}$/);
});
it("should generate state with guided prefix", () => {
const state = generateOAuthStateWithMode("guided");
expect(state.startsWith("guided:")).toBe(true);
expect(state.slice(7)).toMatch(/^[0-9a-f]{64}$/);
});
it("should generate unique states", () => {
const s1 = generateOAuthStateWithMode("normal");
const s2 = generateOAuthStateWithMode("normal");
expect(s1).not.toBe(s2);
});
});
describe("parseOAuthState", () => {
it("should parse normal prefix", () => {
const parsed = parseOAuthState("normal:abc123def456");
expect(parsed).toEqual({ mode: "normal", authId: "abc123def456" });
});
it("should parse guided prefix", () => {
const parsed = parseOAuthState("guided:a1b2c3d4e5f6");
expect(parsed).toEqual({ mode: "guided", authId: "a1b2c3d4e5f6" });
});
it("should parse legacy 64-char hex as normal", () => {
const hex = "a".repeat(64);
const parsed = parseOAuthState(hex);
expect(parsed).toEqual({ mode: "normal", authId: hex });
});
it("should return null for invalid state", () => {
expect(parseOAuthState("")).toBeNull();
expect(parseOAuthState("invalid")).toBeNull();
expect(parseOAuthState("other:xyz")).toBeNull();
});
});
describe("generateOAuthErrorDescription", () => {
it("should generate error description with error code only", () => {
const params = {
successful: false as const,
error: "access_denied",
error_description: null,
error_uri: null,
};
const description = generateOAuthErrorDescription(params);
expect(description).toBe("Error: access_denied.");
});
it("should generate error description with error code and description", () => {
const params = {
successful: false as const,
error: "invalid_request",
error_description: "The request is missing a required parameter",
error_uri: null,
};
const description = generateOAuthErrorDescription(params);
expect(description).toContain("Error: invalid_request.");
expect(description).toContain(
"Details: The request is missing a required parameter.",
);
});
it("should generate error description with all fields", () => {
const params = {
successful: false as const,
error: "server_error",
error_description: "An internal server error occurred",
error_uri: "https://example.com/errors/server_error",
};
const description = generateOAuthErrorDescription(params);
expect(description).toContain("Error: server_error.");
expect(description).toContain(
"Details: An internal server error occurred.",
);
expect(description).toContain(
"More info: https://example.com/errors/server_error.",
);
});
it("should handle null error_description", () => {
const params = {
successful: false as const,
error: "access_denied",
error_description: null,
error_uri: "https://example.com/error",
};
const description = generateOAuthErrorDescription(params);
expect(description).toContain("Error: access_denied.");
expect(description).not.toContain("Details:");
expect(description).toContain("More info: https://example.com/error.");
});
it("should handle null error_uri", () => {
const params = {
successful: false as const,
error: "invalid_client",
error_description: "Invalid client credentials",
error_uri: null,
};
const description = generateOAuthErrorDescription(params);
expect(description).toContain("Error: invalid_client.");
expect(description).toContain("Details: Invalid client credentials.");
expect(description).not.toContain("More info:");
});
});
});

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/**
* OAuth client test fixtures for InspectorClient OAuth tests.
* These produce InspectorClient OAuth configuration and simulate OAuth flows.
*/
import type {
OAuthNavigation,
RedirectUrlProvider,
} from "@inspector/core/auth/providers.js";
import type { OAuthStorage } from "@inspector/core/auth/storage.js";
import { ConsoleNavigation } from "@inspector/core/auth/providers.js";
import { NodeOAuthStorage } from "@inspector/core/auth/node/storage-node.js";
/** Creates a static RedirectUrlProvider for tests. Single URL for both modes. */
function createStaticRedirectUrlProvider(
redirectUrl: string,
): RedirectUrlProvider {
return {
getRedirectUrl: () => redirectUrl,
};
}
/**
* Creates OAuth configuration for InspectorClient tests
*/
export function createOAuthClientConfig(options: {
mode: "static" | "dcr" | "cimd";
clientId?: string;
clientSecret?: string;
clientMetadataUrl?: string;
redirectUrl: string;
scope?: string;
}): {
clientId?: string;
clientSecret?: string;
clientMetadataUrl?: string;
redirectUrlProvider: RedirectUrlProvider;
scope?: string;
storage: OAuthStorage;
navigation: OAuthNavigation;
} {
const config: {
clientId?: string;
clientSecret?: string;
clientMetadataUrl?: string;
redirectUrlProvider: RedirectUrlProvider;
scope?: string;
storage: OAuthStorage;
navigation: OAuthNavigation;
} = {
redirectUrlProvider: createStaticRedirectUrlProvider(options.redirectUrl),
storage: new NodeOAuthStorage(),
navigation: new ConsoleNavigation(),
};
if (options.mode === "static") {
if (!options.clientId) {
throw new Error("clientId is required for static mode");
}
config.clientId = options.clientId;
if (options.clientSecret) {
config.clientSecret = options.clientSecret;
}
} else if (options.mode === "dcr") {
// DCR mode - no clientId needed, will be registered
if (options.clientId) {
config.clientId = options.clientId;
}
} else if (options.mode === "cimd") {
if (!options.clientMetadataUrl) {
throw new Error("clientMetadataUrl is required for CIMD mode");
}
config.clientMetadataUrl = options.clientMetadataUrl;
}
if (options.scope) {
config.scope = options.scope;
}
return config;
}
/**
* Client metadata document for CIMD testing
*/
export interface ClientMetadataDocument {
redirect_uris: string[];
token_endpoint_auth_method?: string;
grant_types?: string[];
response_types?: string[];
client_name?: string;
client_uri?: string;
scope?: string;
}
/**
* Creates an Express server that serves a client metadata document for CIMD testing
* The server runs on a different port and serves the metadata at the root path
*
* @param metadata - The client metadata document to serve
* @returns Object with server URL and cleanup function
*/
export async function createClientMetadataServer(
metadata: ClientMetadataDocument,
): Promise<{ url: string; stop: () => Promise<void> }> {
const express = await import("express");
const app = express.default();
app.get("/", (_req, res) => {
res.json(metadata);
});
return new Promise((resolve, reject) => {
const server = app.listen(0, () => {
const address = server.address();
if (!address || typeof address === "string") {
reject(new Error("Failed to get server address"));
return;
}
const port = address.port;
const url = `http://localhost:${port}`;
resolve({
url,
stop: async () => {
return new Promise<void>((resolveStop) => {
server.close(() => {
resolveStop();
});
});
},
});
});
server.on("error", reject);
});
}
/**
* Helper function to programmatically complete OAuth authorization
* Makes HTTP GET request to authorization URL and extracts authorization code
* The test server's authorization endpoint auto-approves and redirects with code
*
* @param authorizationUrl - The authorization URL from oauthAuthorizationRequired event
* @returns Authorization code extracted from redirect URL
*/
export async function completeOAuthAuthorization(
authorizationUrl: URL,
): Promise<string> {
const response = await fetch(authorizationUrl.toString(), {
redirect: "manual",
});
if (response.status !== 302 && response.status !== 301) {
throw new Error(
`Expected redirect (302/301), got ${response.status}: ${await response.text()}`,
);
}
const redirectUrl = response.headers.get("location");
if (!redirectUrl) {
throw new Error("No Location header in redirect response");
}
const redirectUrlObj = new URL(redirectUrl);
const code = redirectUrlObj.searchParams.get("code");
if (!code) {
throw new Error(`No authorization code in redirect URL: ${redirectUrl}`);
}
return code;
}

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import {
describe,
it,
expect,
vi,
beforeEach,
afterEach,
afterAll,
} from "vitest";
import * as path from "node:path";
import * as os from "node:os";
import * as fs from "node:fs/promises";
import { InspectorClient } from "@inspector/core/mcp/inspectorClient.js";
import { createTransportNode } from "@inspector/core/mcp/node/transport.js";
import type { MCPServerConfig } from "@inspector/core/mcp/types.js";
import { NodeOAuthStorage } from "@inspector/core/auth/node/storage-node.js";
import { createOAuthClientConfig } from "./helpers/oauth-client-fixtures.js";
import type { InspectorClientOptions } from "@inspector/core/mcp/inspectorClient.js";
const oauthTestStatePath = path.join(
os.tmpdir(),
`mcp-oauth-${process.pid}-inspectorClient-oauth-fetchFn.json`,
);
function createTestOAuthConfig(
options: Parameters<typeof createOAuthClientConfig>[0],
) {
return {
...createOAuthClientConfig(options),
storage: new NodeOAuthStorage(oauthTestStatePath),
};
}
const mockAuth = vi.fn();
vi.mock("@modelcontextprotocol/sdk/client/auth.js", () => ({
auth: (...args: unknown[]) => mockAuth(...args),
}));
describe("InspectorClient OAuth fetchFn", () => {
let client: InspectorClient;
afterAll(async () => {
try {
await fs.unlink(oauthTestStatePath);
} catch {
// Ignore if file does not exist or already removed
}
});
beforeEach(() => {
vi.clearAllMocks();
vi.spyOn(console, "log").mockImplementation(() => {});
mockAuth.mockImplementation(
async (provider: { redirectToAuthorization: (url: URL) => void }) => {
provider.redirectToAuthorization(
new URL("http://example.com/oauth/authorize"),
);
return "REDIRECT";
},
);
});
afterEach(async () => {
if (client) {
try {
await client.disconnect();
} catch {
// Ignore disconnect errors
}
}
vi.restoreAllMocks();
});
it("should pass fetchFn to auth() when provided", async () => {
const mockFetchFn = vi.fn();
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: "test-client",
redirectUrl: "http://localhost:3000/callback",
});
client = new InspectorClient(
{ type: "sse", url: "http://localhost:3000/sse" } as MCPServerConfig,
{
environment: {
transport: createTransportNode,
fetch: mockFetchFn,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
},
);
const url = await client.authenticate();
expect(url).toBeInstanceOf(URL);
expect(mockAuth).toHaveBeenCalledWith(
expect.anything(),
expect.objectContaining({
fetchFn: expect.any(Function),
}),
);
});
it("should pass fetchFn to auth() when not provided (uses default fetch)", async () => {
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: "test-client",
redirectUrl: "http://localhost:3000/callback",
});
client = new InspectorClient(
{ type: "sse", url: "http://localhost:3000/sse" } as MCPServerConfig,
{
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
} as InspectorClientOptions,
);
await client.authenticate();
expect(mockAuth).toHaveBeenCalled();
const callArgs = mockAuth.mock.calls[0]!;
const options = callArgs[1];
expect(options).toHaveProperty("fetchFn");
expect(typeof options.fetchFn).toBe("function");
});
it("should pass fetchFn to auth() in completeOAuthFlow when provided", async () => {
const mockFetchFn = vi.fn();
mockAuth.mockImplementation(
async (provider: { saveTokens: (tokens: unknown) => void }) => {
provider.saveTokens({
access_token: "test-token",
token_type: "Bearer",
});
return "AUTHORIZED";
},
);
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: "test-client",
redirectUrl: "http://localhost:3000/callback",
});
client = new InspectorClient(
{ type: "sse", url: "http://localhost:3000/sse" } as MCPServerConfig,
{
environment: {
transport: createTransportNode,
fetch: mockFetchFn,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
},
);
await client.completeOAuthFlow("test-authorization-code");
expect(mockAuth).toHaveBeenCalledWith(
expect.anything(),
expect.objectContaining({
authorizationCode: "test-authorization-code",
fetchFn: expect.any(Function),
}),
);
});
});

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/**
* End-to-end OAuth tests for InspectorClient using RemoteOAuthStorage.
* Tests OAuth flows with remote storage (HTTP API) instead of file storage.
* These tests verify that OAuth state persists correctly via the remote storage API.
*/
import {
describe,
it,
expect,
beforeEach,
afterEach,
afterAll,
vi,
} from "vitest";
import { mkdtempSync, rmSync, unlinkSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import { serve } from "@hono/node-server";
import type { ServerType } from "@hono/node-server";
import { InspectorClient } from "@inspector/core/mcp/inspectorClient.js";
import { createRemoteTransport } from "@inspector/core/mcp/remote/createRemoteTransport.js";
import { createRemoteFetch } from "@inspector/core/mcp/remote/createRemoteFetch.js";
import { RemoteOAuthStorage } from "@inspector/core/auth/remote/storage-remote.js";
import { NodeOAuthStorage } from "@inspector/core/auth/node/storage-node.js";
import { createRemoteApp } from "@inspector/core/mcp/remote/node/server.js";
import {
TestServerHttp,
waitForOAuthWellKnown,
waitForRemoteStore,
getDefaultServerConfig,
createOAuthTestServerConfig,
clearOAuthTestData,
} from "@modelcontextprotocol/inspector-test-server";
import {
createOAuthClientConfig,
completeOAuthAuthorization,
} from "./helpers/oauth-client-fixtures.js";
import { ConsoleNavigation } from "@inspector/core/auth/providers.js";
import type { InspectorClientOptions } from "@inspector/core/mcp/inspectorClient.js";
import type { MCPServerConfig } from "@inspector/core/mcp/types.js";
const oauthTestStatePath = join(
tmpdir(),
`mcp-oauth-${process.pid}-inspectorClient-oauth-remote-storage-e2e.json`,
);
function createTestOAuthConfig(
options: Parameters<typeof createOAuthClientConfig>[0],
) {
return {
...createOAuthClientConfig(options),
storage: new NodeOAuthStorage(oauthTestStatePath),
};
}
interface TransportConfig {
name: string;
serverType: "sse" | "streamable-http";
clientType: "sse" | "streamable-http";
endpoint: string;
}
const transports: TransportConfig[] = [
{
name: "SSE",
serverType: "sse",
clientType: "sse",
endpoint: "/sse",
},
{
name: "Streamable HTTP",
serverType: "streamable-http",
clientType: "streamable-http",
endpoint: "/mcp",
},
];
interface StartRemoteServerOptions {
storageDir?: string;
}
async function startRemoteServer(
port: number,
options: StartRemoteServerOptions = {},
): Promise<{
baseUrl: string;
server: ServerType;
authToken: string;
}> {
const { app, authToken } = createRemoteApp({
storageDir: options.storageDir,
initialConfig: { defaultEnvironment: {} },
});
return new Promise((resolve, reject) => {
const server = serve(
{ fetch: app.fetch, port, hostname: "127.0.0.1" },
(info) => {
const actualPort =
info && typeof info === "object" && "port" in info
? (info as { port: number }).port
: port;
resolve({
baseUrl: `http://127.0.0.1:${actualPort}`,
server,
authToken,
});
},
);
server.on("error", reject);
});
}
describe("InspectorClient OAuth E2E with Remote Storage", () => {
let mcpServer: TestServerHttp;
let remoteServer: ServerType | null = null;
let remoteBaseUrl: string | null = null;
let remoteAuthToken: string | null = null;
let client: InspectorClient;
let tempDir: string | null = null;
const testRedirectUrl = "http://localhost:3001/oauth/callback";
beforeEach(() => {
clearOAuthTestData();
tempDir = mkdtempSync(join(tmpdir(), "inspector-remote-storage-test-"));
vi.spyOn(console, "log").mockImplementation(() => {});
});
afterAll(() => {
try {
unlinkSync(oauthTestStatePath);
} catch {
// Ignore if file does not exist or already removed
}
});
afterEach(async () => {
if (client) {
await client.disconnect();
}
if (mcpServer) {
await mcpServer.stop();
}
if (remoteServer) {
await new Promise<void>((resolve, reject) => {
remoteServer!.close((err) => (err ? reject(err) : resolve()));
});
remoteServer = null;
}
if (tempDir) {
try {
rmSync(tempDir, { recursive: true });
} catch {
// Ignore cleanup errors
}
tempDir = null;
}
vi.restoreAllMocks();
});
async function setupRemoteServer(): Promise<void> {
const { baseUrl, server, authToken } = await startRemoteServer(0, {
storageDir: tempDir!,
});
remoteServer = server;
remoteBaseUrl = baseUrl;
remoteAuthToken = authToken;
}
describe.each(transports)(
"Static/Preregistered Client Mode ($name)",
(transport) => {
it("should complete OAuth flow with static client using remote storage", async () => {
await setupRemoteServer();
const staticClientId = "test-static-client";
const staticClientSecret = "test-static-secret";
// Create test server with OAuth enabled and static client
const serverConfig = {
...getDefaultServerConfig(),
serverType: transport.serverType,
...createOAuthTestServerConfig({
requireAuth: true,
staticClients: [
{
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUris: [testRedirectUrl],
},
],
}),
};
mcpServer = new TestServerHttp(serverConfig);
const port = await mcpServer.start();
const serverUrl = `http://localhost:${port}`;
await waitForOAuthWellKnown(serverUrl);
// Create client with remote transport and remote OAuth storage
const createTransport = createRemoteTransport({
baseUrl: remoteBaseUrl!,
authToken: remoteAuthToken!,
});
const remoteFetch = createRemoteFetch({
baseUrl: remoteBaseUrl!,
authToken: remoteAuthToken!,
});
const remoteStorage = new RemoteOAuthStorage({
baseUrl: remoteBaseUrl!,
storeId: "oauth",
authToken: remoteAuthToken!,
});
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUrl: testRedirectUrl,
});
const clientConfig: InspectorClientOptions = {
environment: {
transport: createTransport,
fetch: remoteFetch,
oauth: {
storage: remoteStorage,
navigation: new ConsoleNavigation(),
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
};
client = new InspectorClient(
{
type: transport.clientType,
url: `${serverUrl}${transport.endpoint}`,
} as MCPServerConfig,
clientConfig,
);
const authUrl = await client.runGuidedAuth();
if (!authUrl) throw new Error("Expected authorization URL");
expect(authUrl.href).toContain("/oauth/authorize");
const authCode = await completeOAuthAuthorization(authUrl);
await client.completeOAuthFlow(authCode);
await client.connect();
// Verify tokens are stored
const tokens = await client.getOAuthTokens();
expect(tokens).toBeDefined();
expect(tokens?.access_token).toBeDefined();
expect(tokens?.token_type).toBe("Bearer");
// Connection should now be successful
expect(client.getStatus()).toBe("connected");
});
it("should persist OAuth state and reload on new client instance", async () => {
await setupRemoteServer();
const staticClientId = "test-static-client-reload";
const staticClientSecret = "test-static-secret-reload";
const serverConfig = {
...getDefaultServerConfig(),
serverType: transport.serverType,
...createOAuthTestServerConfig({
requireAuth: true,
staticClients: [
{
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUris: [testRedirectUrl],
},
],
}),
};
mcpServer = new TestServerHttp(serverConfig);
const port = await mcpServer.start();
const serverUrl = `http://localhost:${port}`;
await waitForOAuthWellKnown(serverUrl);
const createTransport = createRemoteTransport({
baseUrl: remoteBaseUrl!,
authToken: remoteAuthToken!,
});
const remoteFetch = createRemoteFetch({
baseUrl: remoteBaseUrl!,
authToken: remoteAuthToken!,
});
const remoteStorage = new RemoteOAuthStorage({
baseUrl: remoteBaseUrl!,
storeId: "oauth",
authToken: remoteAuthToken!,
});
// First client: complete OAuth flow
const oauthConfig1 = createTestOAuthConfig({
mode: "static",
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUrl: testRedirectUrl,
});
const clientConfig1: InspectorClientOptions = {
environment: {
transport: createTransport,
fetch: remoteFetch,
oauth: {
storage: remoteStorage,
navigation: oauthConfig1.navigation,
redirectUrlProvider: oauthConfig1.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig1.clientId,
clientSecret: oauthConfig1.clientSecret,
clientMetadataUrl: oauthConfig1.clientMetadataUrl,
scope: oauthConfig1.scope,
},
};
const client1 = new InspectorClient(
{
type: transport.clientType,
url: `${serverUrl}${transport.endpoint}`,
} as MCPServerConfig,
clientConfig1,
);
const authUrl = await client1.runGuidedAuth();
if (!authUrl) throw new Error("Expected authorization URL");
const authCode = await completeOAuthAuthorization(authUrl);
await client1.completeOAuthFlow(authCode);
await client1.connect();
const tokens1 = await client1.getOAuthTokens();
expect(tokens1).toBeDefined();
await client1.disconnect();
// Wait until remote server has persisted state before creating second client
await waitForRemoteStore(
remoteBaseUrl!,
"oauth",
remoteAuthToken!,
(body) => {
const b = body as {
state?: {
servers?: Record<
string,
{ tokens?: { access_token?: string } }
>;
};
};
return !!(
b?.state?.servers &&
Object.values(b.state.servers).some(
(s) => s?.tokens?.access_token,
)
);
},
);
// Second client: should load persisted state
const remoteStorage2 = new RemoteOAuthStorage({
baseUrl: remoteBaseUrl!,
storeId: "oauth",
authToken: remoteAuthToken!,
});
const oauthConfig2 = createTestOAuthConfig({
mode: "static",
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUrl: testRedirectUrl,
});
const clientConfig2: InspectorClientOptions = {
environment: {
transport: createTransport,
fetch: remoteFetch,
oauth: {
storage: remoteStorage2,
navigation: oauthConfig2.navigation,
redirectUrlProvider: oauthConfig2.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig2.clientId,
clientSecret: oauthConfig2.clientSecret,
clientMetadataUrl: oauthConfig2.clientMetadataUrl,
scope: oauthConfig2.scope,
},
};
client = new InspectorClient(
{
type: transport.clientType,
url: `${serverUrl}${transport.endpoint}`,
} as MCPServerConfig,
clientConfig2,
);
// Wait for storage to hydrate and tokens to be available
await vi.waitFor(
async () => {
const tokens = await client.getOAuthTokens();
if (!tokens) {
throw new Error("Tokens not yet loaded from storage");
}
return tokens;
},
{ timeout: 2000, interval: 50 },
);
// Should be able to connect without re-authenticating
await client.connect();
expect(client.getStatus()).toBe("connected");
// Tokens should be loaded from remote storage
const tokens2 = await client.getOAuthTokens();
expect(tokens2).toBeDefined();
expect(tokens2?.access_token).toBe(tokens1?.access_token);
});
},
);
describe.each(transports)(
"DCR (Dynamic Client Registration) Mode ($name)",
(transport) => {
it("should register client and complete OAuth flow using remote storage", async () => {
await setupRemoteServer();
const serverConfig = {
...getDefaultServerConfig(),
serverType: transport.serverType,
...createOAuthTestServerConfig({
requireAuth: true,
supportDCR: true,
}),
};
mcpServer = new TestServerHttp(serverConfig);
const port = await mcpServer.start();
const serverUrl = `http://localhost:${port}`;
await waitForOAuthWellKnown(serverUrl);
const createTransport = createRemoteTransport({
baseUrl: remoteBaseUrl!,
authToken: remoteAuthToken!,
});
const remoteFetch = createRemoteFetch({
baseUrl: remoteBaseUrl!,
authToken: remoteAuthToken!,
});
const remoteStorage = new RemoteOAuthStorage({
baseUrl: remoteBaseUrl!,
storeId: "oauth",
authToken: remoteAuthToken!,
});
const oauthConfig = createTestOAuthConfig({
mode: "dcr",
redirectUrl: testRedirectUrl,
});
const clientConfig: InspectorClientOptions = {
environment: {
transport: createTransport,
fetch: remoteFetch,
oauth: {
storage: remoteStorage,
navigation: new ConsoleNavigation(),
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
};
client = new InspectorClient(
{
type: transport.clientType,
url: `${serverUrl}${transport.endpoint}`,
} as MCPServerConfig,
clientConfig,
);
const authUrl = await client.runGuidedAuth();
if (!authUrl) throw new Error("Expected authorization URL");
expect(authUrl.href).toContain("/oauth/authorize");
const authCode = await completeOAuthAuthorization(authUrl);
await client.completeOAuthFlow(authCode);
await client.connect();
// Verify tokens are stored
const tokens = await client.getOAuthTokens();
expect(tokens).toBeDefined();
expect(tokens?.access_token).toBeDefined();
expect(client.getStatus()).toBe("connected");
});
},
);
});

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import {
describe,
it,
expect,
beforeEach,
afterEach,
afterAll,
vi,
} from "vitest";
import * as path from "node:path";
import * as os from "node:os";
import * as fs from "node:fs/promises";
import { InspectorClient } from "@inspector/core/mcp/inspectorClient.js";
import { FetchRequestLogState } from "@inspector/core/mcp/state/index.js";
import { createTransportNode } from "@inspector/core/mcp/node/transport.js";
import type { MCPServerConfig } from "@inspector/core/mcp/types.js";
import { NodeOAuthStorage } from "@inspector/core/auth/node/storage-node.js";
import {
TestServerHttp,
waitForEvent,
getDefaultServerConfig,
createOAuthTestServerConfig,
clearOAuthTestData,
} from "@modelcontextprotocol/inspector-test-server";
import {
createOAuthClientConfig,
completeOAuthAuthorization,
} from "./helpers/oauth-client-fixtures.js";
import type { InspectorClientOptions } from "@inspector/core/mcp/inspectorClient.js";
const oauthTestStatePath = path.join(
os.tmpdir(),
`mcp-oauth-${process.pid}-inspectorClient-oauth.json`,
);
function createTestOAuthConfig(
options: Parameters<typeof createOAuthClientConfig>[0],
) {
return {
...createOAuthClientConfig(options),
storage: new NodeOAuthStorage(oauthTestStatePath),
};
}
describe("InspectorClient OAuth", () => {
let client: InspectorClient;
afterAll(async () => {
try {
await fs.unlink(oauthTestStatePath);
} catch {
// Ignore if file does not exist or already removed
}
});
beforeEach(() => {
vi.spyOn(console, "log").mockImplementation(() => {});
// Create client with HTTP transport (OAuth only works with HTTP transports)
const config: MCPServerConfig = {
type: "sse",
url: "http://localhost:3000/sse",
};
client = new InspectorClient(config, {
environment: { transport: createTransportNode },
});
});
afterEach(async () => {
if (client) {
try {
await client.disconnect();
} catch {
// Ignore disconnect errors
}
}
vi.restoreAllMocks();
});
describe("OAuth Configuration", () => {
it("should set OAuth configuration", () => {
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: "test-client-id",
clientSecret: "test-secret",
redirectUrl: "http://localhost:3000/callback",
scope: "read write",
});
client = new InspectorClient(
{ type: "sse", url: "http://localhost:3000/sse" },
{
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
},
);
// Configuration should be set (no error thrown)
expect(client).toBeDefined();
});
it("should set OAuth configuration with clientMetadataUrl for CIMD", () => {
const oauthConfig = createTestOAuthConfig({
mode: "cimd",
clientMetadataUrl: "https://example.com/client-metadata.json",
redirectUrl: "http://localhost:3000/callback",
scope: "read write",
});
client = new InspectorClient(
{ type: "sse", url: "http://localhost:3000/sse" },
{
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
},
);
expect(client).toBeDefined();
});
});
describe("OAuth Token Management", () => {
beforeEach(() => {
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: "test-client-id",
redirectUrl: "http://localhost:3000/callback",
});
client = new InspectorClient(
{ type: "sse", url: "http://localhost:3000/sse" },
{
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
},
);
});
it("should return undefined tokens when not authorized", async () => {
const tokens = await client.getOAuthTokens();
expect(tokens).toBeUndefined();
});
it("should clear OAuth tokens", () => {
client.clearOAuthTokens();
// Should not throw
expect(client).toBeDefined();
});
it("should return false for isOAuthAuthorized when not authorized", async () => {
const isAuthorized = await client.isOAuthAuthorized();
expect(isAuthorized).toBe(false);
});
});
describe("OAuth fetch tracking", () => {
let testServer: TestServerHttp;
const testRedirectUrl = "http://localhost:3001/oauth/callback";
beforeEach(() => {
clearOAuthTestData();
});
afterEach(async () => {
if (testServer) {
await testServer.stop();
}
});
it("should track auth fetches with category 'auth' during guided auth", async () => {
const staticClientId = "test-auth-fetch-client";
const staticClientSecret = "test-auth-fetch-secret";
const serverConfig = {
...getDefaultServerConfig(),
serverType: "sse" as const,
...createOAuthTestServerConfig({
requireAuth: false,
supportDCR: true,
staticClients: [
{
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUris: [testRedirectUrl],
},
],
}),
};
testServer = new TestServerHttp(serverConfig);
const port = await testServer.start();
const serverUrl = `http://localhost:${port}`;
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUrl: testRedirectUrl,
});
const testClient = new InspectorClient(
{
type: "sse",
url: `${serverUrl}/sse`,
} as MCPServerConfig,
{
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
},
);
const fetchRequestLogState = new FetchRequestLogState(testClient);
// beginGuidedAuth runs metadata_discovery, client_registration, authorization_redirect
// (stops at authorization_code awaiting user). Produces auth fetches only (no connect yet).
await testClient.beginGuidedAuth();
const fetchRequests = fetchRequestLogState.getFetchRequests();
const authFetches = fetchRequests.filter(
(req) => req.category === "auth",
);
expect(authFetches.length).toBeGreaterThan(0);
const hasOAuthUrls = authFetches.some(
(req) =>
req.url.includes("well-known") ||
req.url.includes("/oauth/") ||
req.url.includes("token"),
);
expect(hasOAuthUrls).toBe(true);
fetchRequestLogState.destroy();
await testClient.disconnect();
});
});
describe("OAuth Events", () => {
let testServer: TestServerHttp;
const testRedirectUrl = "http://localhost:3001/oauth/callback";
beforeEach(() => {
clearOAuthTestData();
});
afterEach(async () => {
if (testServer) {
await testServer.stop();
}
});
it("should dispatch oauthAuthorizationRequired event", async () => {
const staticClientId = "test-event-client";
const staticClientSecret = "test-event-secret";
// Create test server with OAuth enabled and DCR support (for authenticate() normal mode)
const serverConfig = {
...getDefaultServerConfig(),
serverType: "sse" as const,
...createOAuthTestServerConfig({
requireAuth: false, // Don't require auth for this test
supportDCR: true, // Enable DCR so authenticate() can work
staticClients: [
{
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUris: [testRedirectUrl],
},
],
}),
};
testServer = new TestServerHttp(serverConfig);
const port = await testServer.start();
const serverUrl = `http://localhost:${port}`;
// Create client with OAuth config pointing to test server
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUrl: testRedirectUrl,
});
const clientConfig: InspectorClientOptions = {
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
};
const testClient = new InspectorClient(
{
type: "sse",
url: `${serverUrl}/sse`,
} as MCPServerConfig,
clientConfig,
);
testClient.authenticate().catch(() => {});
const detail = await waitForEvent<{ url: URL }>(
testClient,
"oauthAuthorizationRequired",
{ timeout: 5000 },
);
expect(detail).toHaveProperty("url");
expect(detail.url).toBeInstanceOf(URL);
expect(detail.url.href).toContain("/oauth/authorize");
await testClient.disconnect();
});
it("should dispatch oauthError event when OAuth flow fails", async () => {
// Create a minimal test server just for metadata discovery
const serverConfig = {
...getDefaultServerConfig(),
serverType: "sse" as const,
...createOAuthTestServerConfig({
requireAuth: false,
supportDCR: true,
}),
};
testServer = new TestServerHttp(serverConfig);
const port = await testServer.start();
const serverUrl = `http://localhost:${port}`;
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: "test-error-client",
clientSecret: "test-error-secret",
redirectUrl: testRedirectUrl,
});
const clientConfig: InspectorClientOptions = {
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
};
const testClient = new InspectorClient(
{
type: "sse",
url: `${serverUrl}/sse`,
} as MCPServerConfig,
clientConfig,
);
testClient.completeOAuthFlow("invalid-test-code").catch(() => {});
const detail = await waitForEvent<{ error: Error }>(
testClient,
"oauthError",
{
timeout: 3000,
},
);
expect(detail).toHaveProperty("error");
expect(detail.error).toBeInstanceOf(Error);
await testClient.disconnect();
});
});
describe("Token Injection in HTTP Transports", () => {
let testServer: TestServerHttp;
const testRedirectUrl = "http://localhost:3001/oauth/callback";
beforeEach(() => {
clearOAuthTestData();
});
afterEach(async () => {
if (testServer) {
await testServer.stop();
}
});
it("should inject Bearer token in HTTP requests when OAuth is configured", async () => {
const staticClientId = "test-token-injection-client";
const staticClientSecret = "test-token-injection-secret";
// Create test server with OAuth enabled and auth required
const serverConfig = {
...getDefaultServerConfig(),
serverType: "sse" as const,
...createOAuthTestServerConfig({
requireAuth: true,
supportDCR: true,
staticClients: [
{
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUris: [testRedirectUrl],
},
],
}),
};
testServer = new TestServerHttp(serverConfig);
const port = await testServer.start();
const serverUrl = `http://localhost:${port}`;
const oauthConfig = createTestOAuthConfig({
mode: "static",
clientId: staticClientId,
clientSecret: staticClientSecret,
redirectUrl: testRedirectUrl,
});
const clientConfig: InspectorClientOptions = {
environment: {
transport: createTransportNode,
oauth: {
storage: oauthConfig.storage,
navigation: oauthConfig.navigation,
redirectUrlProvider: oauthConfig.redirectUrlProvider,
},
},
oauth: {
clientId: oauthConfig.clientId,
clientSecret: oauthConfig.clientSecret,
clientMetadataUrl: oauthConfig.clientMetadataUrl,
scope: oauthConfig.scope,
},
};
const testClient = new InspectorClient(
{
type: "sse",
url: `${serverUrl}/sse`,
} as MCPServerConfig,
clientConfig,
);
const fetchRequestLogState = new FetchRequestLogState(testClient);
// Auth-provider flow: authenticate first, complete OAuth, then connect.
// connect() creates transport with authProvider; tokens are already in storage.
const authorizationUrl = await testClient.authenticate();
const authCode = await completeOAuthAuthorization(authorizationUrl);
await testClient.completeOAuthFlow(authCode);
await testClient.connect();
const tokens = await testClient.getOAuthTokens();
expect(tokens).toBeDefined();
expect(tokens?.access_token).toBeDefined();
// listTools() succeeds only if authProvider injects Bearer token
const toolsResult = await testClient.listTools();
expect(toolsResult).toBeDefined();
const fetchRequests = fetchRequestLogState.getFetchRequests();
expect(fetchRequests.length).toBeGreaterThan(0);
// Auth fetches (discovery, token exchange) should have category 'auth'
const authFetches = fetchRequests.filter(
(req) => req.category === "auth",
);
expect(authFetches.length).toBeGreaterThan(0);
const oauthFetches = authFetches.filter(
(req) =>
req.url.includes("well-known") ||
req.url.includes("/oauth/") ||
req.url.includes("/token"),
);
expect(oauthFetches.length).toBeGreaterThan(0);
// Transport fetches (SSE, MCP) should have category 'transport'
const transportFetches = fetchRequests.filter(
(req) => req.category === "transport",
);
expect(transportFetches.length).toBeGreaterThan(0);
const mcpPostRequests = transportFetches.filter(
(req) =>
req.method === "POST" &&
(req.url.includes("/sse") || req.url.includes("/mcp")) &&
!req.url.includes("/oauth"),
);
if (mcpPostRequests.length > 0) {
const hasAuthHeader = mcpPostRequests.some((req) => {
const authHeader =
req.requestHeaders?.["Authorization"] ||
req.requestHeaders?.["authorization"];
return authHeader && authHeader.startsWith("Bearer ");
});
if (hasAuthHeader) {
expect(hasAuthHeader).toBe(true);
}
}
await testClient.disconnect();
});
});
});

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import { describe, it, expect } from "vitest";
import {
convertParameterValue,
convertToolParameters,
convertPromptArguments,
} from "@inspector/core/json/jsonUtils.js";
import type { Tool } from "@modelcontextprotocol/sdk/types.js";
describe("JSON Utils", () => {
describe("convertParameterValue", () => {
it("should convert string to string", () => {
expect(convertParameterValue("hello", { type: "string" })).toBe("hello");
});
it("should convert string to number", () => {
expect(convertParameterValue("42", { type: "number" })).toBe(42);
expect(convertParameterValue("3.14", { type: "number" })).toBe(3.14);
});
it("should convert string to boolean", () => {
expect(convertParameterValue("true", { type: "boolean" })).toBe(true);
expect(convertParameterValue("false", { type: "boolean" })).toBe(false);
});
it("should parse JSON strings", () => {
expect(
convertParameterValue('{"key":"value"}', { type: "object" }),
).toEqual({
key: "value",
});
expect(convertParameterValue("[1,2,3]", { type: "array" })).toEqual([
1, 2, 3,
]);
});
it("should return string for unknown types", () => {
expect(convertParameterValue("hello", { type: "unknown" })).toBe("hello");
});
});
describe("convertToolParameters", () => {
const tool: Tool = {
name: "test-tool",
description: "Test tool",
inputSchema: {
type: "object",
properties: {
message: { type: "string" },
count: { type: "number" },
enabled: { type: "boolean" },
},
},
};
it("should convert string parameters", () => {
const result = convertToolParameters(tool, {
message: "hello",
count: "42",
enabled: "true",
});
expect(result.message).toBe("hello");
expect(result.count).toBe(42);
expect(result.enabled).toBe(true);
});
it("should preserve non-string values", () => {
const result = convertToolParameters(tool, {
message: "hello",
count: "42", // Still pass as string, conversion will handle it
enabled: "true", // Still pass as string, conversion will handle it
});
expect(result.message).toBe("hello");
expect(result.count).toBe(42);
expect(result.enabled).toBe(true);
});
it("should handle missing schema", () => {
const toolWithoutSchema: Tool = {
name: "test-tool",
description: "Test tool",
inputSchema: {
type: "object",
properties: {},
},
};
const result = convertToolParameters(toolWithoutSchema, {
message: "hello",
});
expect(result.message).toBe("hello");
});
});
describe("convertPromptArguments", () => {
it("should convert values to strings", () => {
const result = convertPromptArguments({
name: "John",
age: 42,
active: true,
data: { key: "value" },
items: [1, 2, 3],
});
expect(result.name).toBe("John");
expect(result.age).toBe("42");
expect(result.active).toBe("true");
expect(result.data).toBe('{"key":"value"}');
expect(result.items).toBe("[1,2,3]");
});
it("should handle null and undefined", () => {
const result = convertPromptArguments({
value: null,
missing: undefined,
});
expect(result.value).toBe("null");
expect(result.missing).toBe("undefined");
});
});
});

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/**
* OAuthManager unit tests. Uses mocked getServerUrl, fetch, storage, and
* dispatch callbacks to verify config merge, callback invocation, clearOAuthTokens,
* error propagation, and getOAuthState/getOAuthStep after beginGuidedAuth.
*/
import { describe, it, expect, vi } from "vitest";
import {
OAuthManager,
type OAuthManagerConfig,
type OAuthManagerParams,
} from "@inspector/core/mcp/oauthManager.js";
const SERVER_URL = "https://example.com/mcp";
function createMockParams(
overrides?: Partial<OAuthManagerParams>,
): OAuthManagerParams {
const dispatchOAuthStepChange = vi.fn();
const dispatchOAuthComplete = vi.fn();
const dispatchOAuthAuthorizationRequired = vi.fn();
const dispatchOAuthError = vi.fn();
const storage = {
getScope: vi.fn().mockResolvedValue(undefined),
getClientInformation: vi.fn().mockResolvedValue(undefined),
saveClientInformation: vi.fn().mockResolvedValue(undefined),
savePreregisteredClientInformation: vi.fn().mockResolvedValue(undefined),
saveScope: vi.fn().mockResolvedValue(undefined),
getTokens: vi.fn().mockResolvedValue(undefined),
saveTokens: vi.fn().mockResolvedValue(undefined),
getCodeVerifier: vi.fn().mockReturnValue("verifier"),
saveCodeVerifier: vi.fn().mockResolvedValue(undefined),
clear: vi.fn(),
clearClientInformation: vi.fn(),
clearTokens: vi.fn(),
clearCodeVerifier: vi.fn(),
clearScope: vi.fn(),
clearServerMetadata: vi.fn(),
getServerMetadata: vi.fn().mockReturnValue(null),
saveServerMetadata: vi.fn().mockResolvedValue(undefined),
};
const redirectUrlProvider = {
getRedirectUrl: vi.fn().mockReturnValue("http://localhost/callback"),
};
const navigation = {
navigateToAuthorization: vi.fn(),
};
const initialConfig: OAuthManagerConfig = {
storage,
redirectUrlProvider,
navigation,
clientId: "test-client",
clientSecret: "test-secret",
};
return {
getServerUrl: vi.fn().mockReturnValue(SERVER_URL),
effectiveAuthFetch: vi.fn().mockResolvedValue(new Response("{}")),
getEventTarget: vi.fn().mockReturnValue(new EventTarget()),
initialConfig,
dispatchOAuthStepChange,
dispatchOAuthComplete,
dispatchOAuthAuthorizationRequired,
dispatchOAuthError,
...overrides,
};
}
describe("OAuthManager", () => {
describe("setOAuthConfig", () => {
it("merges config without throwing", () => {
const params = createMockParams();
const manager = new OAuthManager(params);
expect(() => {
manager.setOAuthConfig({ scope: "read write" });
manager.setOAuthConfig({ clientId: "new-id" });
}).not.toThrow();
});
});
describe("getServerUrl propagation", () => {
it("createOAuthProviderForTransport throws when getServerUrl throws", async () => {
const params = createMockParams({
getServerUrl: vi.fn().mockImplementation(() => {
throw new Error("OAuth is only supported for HTTP-based transports");
}),
});
const manager = new OAuthManager(params);
await expect(manager.createOAuthProviderForTransport()).rejects.toThrow(
"OAuth is only supported for HTTP-based transports",
);
});
});
describe("clearOAuthTokens", () => {
it("calls storage.clear(serverUrl) when storage is configured", () => {
const params = createMockParams();
const manager = new OAuthManager(params);
manager.clearOAuthTokens();
expect(params.initialConfig.storage!.clear).toHaveBeenCalledWith(
SERVER_URL,
);
expect(manager.getOAuthState()).toBeUndefined();
expect(manager.getOAuthStep()).toBeUndefined();
});
it("no-ops when storage is not configured", () => {
const params = createMockParams({
initialConfig: {
redirectUrlProvider: {
getRedirectUrl: vi.fn().mockReturnValue("http://localhost"),
},
navigation: { navigateToAuthorization: vi.fn() },
} as OAuthManagerConfig,
});
const manager = new OAuthManager(params);
manager.clearOAuthTokens();
expect(params.getServerUrl).not.toHaveBeenCalled();
});
});
describe("getOAuthState / getOAuthStep", () => {
it("returns undefined before any flow", () => {
const params = createMockParams();
const manager = new OAuthManager(params);
expect(manager.getOAuthState()).toBeUndefined();
expect(manager.getOAuthStep()).toBeUndefined();
});
});
describe("dispatch callbacks", () => {
it("completeOAuthFlow calls dispatchOAuthError when normal path throws", async () => {
const params = createMockParams();
const manager = new OAuthManager(params);
// Normal path (no guided state): auth() will run and fail (no real server), so catch calls dispatchOAuthError
await expect(manager.completeOAuthFlow("bad-code")).rejects.toThrow();
expect(params.dispatchOAuthError).toHaveBeenCalledWith(
expect.objectContaining({
error: expect.any(Error),
}),
);
});
});
describe("getOAuthTokens", () => {
it("returns undefined when not authorized", async () => {
const params = createMockParams();
(
params.initialConfig.storage as unknown as {
getTokens: ReturnType<typeof vi.fn>;
}
).getTokens.mockResolvedValue(undefined);
const manager = new OAuthManager(params);
const tokens = await manager.getOAuthTokens();
expect(tokens).toBeUndefined();
});
it("returns tokens from storage when no in-memory state", async () => {
const params = createMockParams();
const storedTokens = {
access_token: "stored-token",
token_type: "Bearer",
};
(
params.initialConfig.storage as unknown as {
getTokens: ReturnType<typeof vi.fn>;
}
).getTokens.mockResolvedValue(storedTokens);
const manager = new OAuthManager(params);
const tokens = await manager.getOAuthTokens();
expect(tokens).toEqual(storedTokens);
});
});
describe("isOAuthAuthorized", () => {
it("returns false when getOAuthTokens returns undefined", async () => {
const params = createMockParams();
(
params.initialConfig.storage as unknown as {
getTokens: ReturnType<typeof vi.fn>;
}
).getTokens.mockResolvedValue(undefined);
const manager = new OAuthManager(params);
expect(await manager.isOAuthAuthorized()).toBe(false);
});
it("returns true when getOAuthTokens returns tokens", async () => {
const params = createMockParams();
(
params.initialConfig.storage as unknown as {
getTokens: ReturnType<typeof vi.fn>;
}
).getTokens.mockResolvedValue({
access_token: "x",
token_type: "Bearer",
});
const manager = new OAuthManager(params);
expect(await manager.isOAuthAuthorized()).toBe(true);
});
});
describe("setGuidedAuthorizationCode", () => {
it("throws when not in guided flow", async () => {
const params = createMockParams();
const manager = new OAuthManager(params);
await expect(
manager.setGuidedAuthorizationCode("code", true),
).rejects.toThrow("Not in guided OAuth flow");
});
});
describe("proceedOAuthStep", () => {
it("throws when not in guided flow", async () => {
const params = createMockParams();
const manager = new OAuthManager(params);
await expect(manager.proceedOAuthStep()).rejects.toThrow(
"Not in guided OAuth flow",
);
});
});
});

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import { describe, it, expect } from "vitest";
import { createRemoteApp } from "@inspector/core/mcp/remote/node/server.js";
describe("createRemoteApp GET /api/config", () => {
it("includes sandboxUrl in response when option is set", async () => {
const sandboxUrl = "http://localhost:9123/sandbox";
const { app } = createRemoteApp({
dangerouslyOmitAuth: true,
allowedOrigins: ["http://127.0.0.1:6274"],
sandboxUrl,
initialConfig: { defaultEnvironment: {} },
});
const res = await app.request(new Request("http://test/api/config"));
expect(res.status).toBe(200);
const data = (await res.json()) as { sandboxUrl?: string };
expect(data.sandboxUrl).toBe(sandboxUrl);
});
it("omits sandboxUrl when option is not set", async () => {
const { app } = createRemoteApp({
dangerouslyOmitAuth: true,
allowedOrigins: ["http://127.0.0.1:6274"],
initialConfig: { defaultEnvironment: {} },
});
const res = await app.request(new Request("http://test/api/config"));
expect(res.status).toBe(200);
const data = (await res.json()) as { sandboxUrl?: string };
expect(data).not.toHaveProperty("sandboxUrl");
});
it("uses initialConfig when provided instead of env", async () => {
const { app } = createRemoteApp({
dangerouslyOmitAuth: true,
allowedOrigins: ["http://127.0.0.1:6274"],
initialConfig: {
defaultCommand: "my-server",
defaultArgs: ["--foo"],
defaultTransport: "stdio",
defaultCwd: "/tmp",
defaultEnvironment: { PATH: "/usr/bin" },
},
});
const res = await app.request(new Request("http://test/api/config"));
expect(res.status).toBe(200);
const data = (await res.json()) as {
defaultCommand?: string;
defaultArgs?: string[];
defaultTransport?: string;
defaultCwd?: string;
defaultEnvironment?: Record<string, string>;
};
expect(data.defaultCommand).toBe("my-server");
expect(data.defaultArgs).toEqual(["--foo"]);
expect(data.defaultTransport).toBe("stdio");
expect(data.defaultCwd).toBe("/tmp");
expect(data.defaultEnvironment).toEqual({ PATH: "/usr/bin" });
});
});

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