Commit graph inspector/core/json
Author SHA1 Message Date
Cliff Hall
99ef731746
Refactor / justify codebase-wide 'as unknown as' casts (#1690) (#1756)
* core: refactor serverList.ts object↔Record casts into typed helper (#1690)

Remove the four pre-existing `as unknown as Record<string, unknown>` /
`as unknown as MCPServerConfig` casts in core/mcp/serverList.ts:

- stripInspectorFields: rewrite as clone + `delete` over INSPECTOR_FIELD_KEYS.
  Every Inspector-extension key is optional on StoredMCPServer, so the result
  is still (a subtype of) MCPServerConfig with no cast.
- oauth-strip in extractSecretsFromStored: `oauth` is optional, so a plain
  `delete stripped.oauth` is legal — drop the cast.
- mcpConfigToServerEntries: route the one genuinely-needed widening through a
  single documented `toRecord(value: object)` helper. Taking `object` makes the
  single `as Record<string, unknown>` legal (no TS2352), so the double cast
  disappears from the call site.

Net: zero `as unknown as` in serverList.ts; the one remaining structural cast
lives inside the audited toRecord helper. Behavior-neutral — existing coverage
(79 serverList tests) unchanged; full `npm run ci` passes.

Closes #1690

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* core+web+test-servers: eliminate/justify remaining `as unknown as` casts (#1690)

Codebase-wide follow-on to the serverList refactor: audit every `as unknown
as` double cast outside tests and either remove it or ensure it carries a
justifying comment (the review bar is "no *unjustified* double cast").

Removed (widened via a shared helper or narrowed to a single cast):
- Promote the serverList `toRecord(value: object)` widening helper to
  core/json/jsonUtils.ts and reuse it at core/mcp/node/config.ts (normalize
  loop), core/mcp/remote/node/server.ts (pino level dispatch), and
  clients/web/src/App.tsx (window global lookup).
- inspectorClient.rawWireRequest: type the frame as `JSONRPCRequest` and
  narrow only `params` with a single structural cast (the SDK's `_meta`-typed
  params is what blocked direct assignment).
- toolOutputValidation: SDK `outputSchema` → `JsonSchemaType` is a single cast.
- test-server-fixtures: the optional `task` handle is reachable with a single
  cast (target field is optional).

Justified in place (genuinely unavoidable — private SDK internals, partial
interface stubs, third-party/nominal bridges): the inspectorClient private-map
accesses, resourceContext + tokenAuthProvider partial `OAuthClientProvider`
stubs, the ext-apps peer bridge, modern/legacy `_requestHandlers` bypasses,
and the happy-dom `matchMedia` test mock.

Behavior-neutral. Full `npm run ci` passes (validate, ≥90 coverage gate,
smoke, Storybook).

Refs #1690

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* address @claude review nits: consistent cast justifications + drop reflow noise (#1690)

- test-servers/src/modern-tasks.ts: add an inline justification above the
  `_requestHandlers` double cast, mirroring the sibling in
  composable-test-server.ts (was leaning on the function JSDoc only).
- Annotate the partial-`AppBridge` mock double casts in the story fixtures
  (AppsScreen ×2, AppRenderer, InspectorView) so no non-test-file double cast
  is unjustified.
- inspectorClient.ts: revert unrelated Prettier reflow hunks (protocolVersion,
  task-content array, timeout-reject wrap, reconnect guard) so the diff is the
  single rawWireRequest cast change only.

Behavior-neutral (comment/format-only). `npm run ci` green apart from a known
flaky redaction test whose assertion collided with a random request id.

Refs #1690

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* actually revert the reflow noise this time (#1690)

The reflow reverts in cc187ea were silently undone by a `prettier --write` I
ran on the same file right after, so the four Prettier-only hunks from 6a3afa4a
were still in the diff (caught in re-review). Revert them for real now — and
without re-running Prettier on the file:

- core/mcp/inspectorClient.ts: restore the protocolVersion line, task-content
  array, timeout-reject call, and reconnect guard to their origin/v2/main form,
  so the file's diff is only the single rawWireRequest cast change.
- test-servers/src/modern-tasks.ts: restore the ModernTaskStatus union to its
  one-line form (the leading-`|` reflow was also Prettier churn), leaving only
  the new `_requestHandlers` justification comment.

Formatting-only; `npm run validate` green.

Refs #1690

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-24 09:34:32 -04:00
Cliff Hall
e70a11360c
Tools: x-mcp-header annotation tooling + -32602 unknown-tool rendering (#1632) (#1735)
* Tools: x-mcp-header annotation tooling + -32602 unknown-tool rendering (#1632)

Card 9/10 of the SDK-v2 + New Spec stack. Adds SEP-2243 `x-mcp-header`
tooling to the Tools tab and adjusts result rendering for SDK v2's
unknown-tool behavior, and bumps the SDK to 2.0.0-beta.5.

- **`core/json/xMcpHeader.ts`**: a faithful port of the SDK's (non-public)
  `scanXMcpHeaderDeclarations` — validates every SEP-2243 constraint
  (primitive types incl. `number`, RFC 9110 token, case-insensitive
  uniqueness, statically-reachable `properties`-only chain) and derives the
  mirrored `Mcp-Param-{Name}` params for a kept tool.

- **Excluded tools**: the SDK silently drops tools with invalid annotations
  from `tools/list`. InspectorClient now re-lists the RAW (unfiltered) list
  and scans it to recompute the excluded set with reasons — gated to the
  modern non-stdio era (matching the SDK's gate), recomputed on every
  aggregate refresh, surfaced via a new `excludedToolsChange` event +
  `getExcludedTools()` and `useInspectorClient().excludedTools`. The Tools
  sidebar lists them struck-through under an "Excluded (SEP-2243)" divider
  with the reason on hover.

- **Mirrored args**: ToolDetailPanel shows a "Mirrored request headers"
  section listing each arg → `Mcp-Param-{Name}` (with the browser-omits note).

- **-32602 rendering**: SDK v2 rejects an unknown-tool call with `-32602`
  instead of an `isError` result, which previously rendered nothing. New
  ToolCallErrorPanel renders a thrown tool-call error, with a targeted
  "Unknown Tool" hint for `-32602`.

Adds unit + Storybook + integration coverage (a real modern server with an
invalid-header tool fixture) for every path. `npm run ci`-equivalent checks
green.

Closes #1632

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* test-servers: x-mcp-header modern showcase config + preset (#1632)

Register the `invalid_header_tool` fixture as a preset and add
`xmcpheader-modern-http.json` — a modern HTTP showcase serving echo, a
valid-header `get_weather`, and the invalid-header tool — so the Tools-tab
x-mcp-header tooling (mirrored headers, excluded-tools surface, -32602
rendering) can be exercised manually. Documented in the README alongside the
other per-SEP showcase configs. Smoke-tested end to end in the web client.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* docs: add #1632 proof screenshots to pr-screenshots

End-to-end web-client verification of the x-mcp-header Tools tooling against
the modern showcase server: excluded-tools surface + reason, mirrored-headers
section, and the -32602 unknown-tool error panel.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* Respond to review: disambiguate -32602, doc/search nits (#1632)

Addresses the review on PR #1735:

1. -32602 "Unknown Tool" mislabel: `-32602` is generic Invalid params, so a
   known tool called with bad arguments hit the same code and rendered under
   the definitive "Unknown Tool" heading. Replace `isUnknownToolError` with
   `classifyToolCallError(code, message)` → "unknown-tool" only when the
   message names it (not found / unknown tool / …), else "invalid-params"
   (new "Invalid Parameters" heading + schema hint), else "generic".

2. Double pagination walk: expand the `listAllTools` comment to document that
   the excluded-tools recompute is a deliberately un-cached second raw walk
   (doubles list round-trips on modern non-stdio, runs even on a cache-served
   aggregate) — accepted for a debugging tool, no-op on legacy/stdio.

3. Doc nit: `scanXMcpHeaderDeclarations` no longer claims to visit "$ref
   targets" — reworded to note `$ref` is never followed (refs resolve into the
   unreachable `$defs` body).

4. Search nit: the excluded-list filter now matches name AND title, matching
   the main tools filter.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* Tighten unknown-tool matcher to be tool-scoped (#1632 re-review nit)

The re-review noted the -32602 disambiguation was symmetric: broad markers
("does not exist", "unrecognized") could inversely mislabel a genuine
invalid-params message (e.g. "property 'region' does not exist") as "Unknown
Tool". Scope the not-found/does-not-exist family to require the word "tool" in
the same clause (matching the SDK's "Tool <name> not found"); keep "unknown
tool" / "no such tool" as standalone unambiguous markers. Adds a
tool-less-"does not exist" test asserting it classifies as invalid-params.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

* Add trigger_invalid_params showcase tool + Invalid Parameters screenshot (#1632)

Adds a `trigger_invalid_params` spec-error trigger to the modern showcase
server: the injector answers its `tools/call` with a real `-32602 Invalid
params` JSON-RPC error whose message does NOT name an unknown tool. This lets
the "Invalid Parameters" branch of the tool-call error panel (added in the
review response) be exercised live, distinct from the unknown-tool `-32602`.

- `SPEC_ERROR_TRIGGERS` gains the `trigger_invalid_params` entry (HTTP 200,
  in-band -32602) + preset registration.
- Enable `injectSpecErrors` on `xmcpheader-modern-http.json` and add the tool.
- README + pr-screenshots README document it; adds the live "Invalid
  Parameters" proof screenshot.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01XNdjEPKLG637X8YmhDiEk5

---------

Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-22 11:42:54 -04:00
cliffhall
19a6df7ad3 SDK v2 migration (behavior-neutral, versionNegotiation: 'legacy') (#1624)
Migrate all three clients + core + test-servers from
@modelcontextprotocol/sdk@1.29 to SDK v2 (2.0.0-beta.4), keeping behavior
identical against legacy (2025-11-25) servers. Foundation for the SDK V2 +
New Spec stack.

Packages
- Split @modelcontextprotocol/sdk -> @modelcontextprotocol/client (Client,
  transports, OAuth, error taxonomy, protocol types) + core (Zod schemas);
  stdio -> client/stdio, Ajv -> client/validators/ajv. Test-servers ->
  @modelcontextprotocol/server (+ server-legacy/sse). Deterministic import
  rewrite (schemas -> core, everything else -> client); the codemod misroutes
  client code to /server so it was not used for path routing.
- new Client(..., { versionNegotiation: { mode: 'legacy' } }) — nothing
  2026-era goes on the wire.

Runtime (core/mcp/inspectorClient.ts)
- Error taxonomy: McpError -> ProtocolError, ErrorCode -> ProtocolErrorCode;
  RequestTimeout -> SdkError/SdkErrorCode.
- Handlers take method strings; task methods (tasks/*, notifications/tasks/*)
  use the 3-arg custom form (excluded from v2's spec-method set).
- Legacy tasks kept working (per project requirement): requestor tasks re-
  implemented over raw client.request + explicit deprecated schemas;
  experimental.tasks.callToolStream replaced by a local pollTaskToolCall
  async generator (with _progressHandlers revival so task-execution progress
  still reaches the caller). Receiver (server-initiated) tasks: the v2 Client
  validates a sampling/elicit handler result and rejects the legacy { task }
  response with -32602 — installReceiverTaskResponseBypass swaps the wrapped
  entry in the private _requestHandlers map for the task-augmented branch so
  { task } reaches the wire (fixes server-initiated sampling-via-task).
- Pagination: list verbs use raw client.request({method}, List*ResultSchema)
  for single-page behavior (v2's client.listX() auto-aggregate all pages).

Web / auth / apps
- Rename local JsonSchemaType -> InspectorFormSchema + add toFormSchema()
  structural narrowing at the SDK-schema -> form boundary.
- ext-apps still peers on SDK v1: one compat boundary with documented casts
  (remove when ext-apps#702 lands a v2 peer).
- OAuth provider saveClientInformation reconciled with v2's
  OAuthClientInformationContext; InvalidClientMetadataError re-homed as a
  local class (server-legacy/auth is not browser-safe).
- vitest.shared.mts dedupes @modelcontextprotocol/client+core to one copy so
  vi.mock intercepts the SUT's import.

Accepted v2 behavior changes (per #1624 / spec §9.2): unknown-tool call
rejects with -32602; cancellation is stream-abort (no guaranteed
notifications/cancelled frame); output-schema strictness restored via the
Inspector's own Ajv check on the default path.

npm run ci green: validate (web 3087 / cli 212 / tui 274 / launcher 5),
coverage (>=90 per-file, all clients), smoke (launcher/cli/web), storybook
(410).

Closes #1624

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-07-15 10:44:24 -04:00
Cliff Hall
0ead1deea6
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>
2026-05-15 15:36:17 -04:00
cliffhall
8edff4ea77 Phase 0 foundations for component interfaces refactor
Stands up the type-only prerequisites for the v2 UX component
interfaces refactor per specification/v2_ux_interfaces_plan.md.

Phase 0.1 — MCP SDK dependency:
- Add @modelcontextprotocol/sdk ^1.29.0 and zod ^4.3.6 to both the
  root package.json and clients/web/package.json so component files
  can import Tool / Prompt / Resource / Task / LoggingLevel / etc.
  directly from the SDK.

Phase 0.2 — Inspector wrapper-types module:
- Create core/mcp/types.ts mirroring the type-only subset of v1.5's
  core/mcp/types.ts: MCPServerConfig (discriminated union), ServerType,
  MCPConfig, ConnectionStatus, StderrLogEntry, MessageEntry (Date
  timestamps, not ISO strings), FetchRequestEntry(+Base), ServerState,
  and the *Invocation types. Adds v2-only wrappers
  InspectorResourceSubscription and InspectorServerJsonDraft.
- Add core/mcp/taskNotificationSchemas.ts for the Inspector-owned
  notifications/tasks/list_changed signal (not in the SDK).
- Add core/mcp/elicitationCreateMessage.ts re-exporting ElicitRequest
  and ElicitResult plus an InspectorPendingElicitation interface for
  typing the pending-queue.
- Add core/json/jsonUtils.ts for the shared JsonValue / JsonObject
  types used inside core/mcp/types.ts.
- Copy v1.5's clients/web/src/utils/jsonUtils.ts (JsonSchemaType) and
  schemaUtils.ts (AJV-backed validators) verbatim so SchemaForm can
  switch off its local JsonSchema type.
- Copy v1.5's clients/web/src/lib/types/customHeaders.ts verbatim for
  ServerSettingsForm and the experimental panel.
- Add clients/web/src/types/navigation.ts with InspectorTab (UI-routing
  concept, lives with the web client rather than in core/).
- Wire tsconfig.app.json + vite.config.ts with the @inspector/core/*
  path alias so component files can import from core/ without
  relative-path hell.

Phase 0.3 — Vet (likely) hedges in v2_ux_interfaces.md:
- Follow-up sweep on commit 2ef257da. Replaces the remaining
  useMcpClient references with useInspectorClient, ties pending
  elicitation / sampling callbacks to the in-InspectorClient queue
  rather than a non-existent useElicitation / useSampling hook,
  corrects Task references to the SDK type (not an InspectorTask
  wrapper), corrects log hook wiring to useMessageLog, and strikes
  all remaining v2-only hooks with explicit "no v1.5 analog"
  annotations. grep "likely" specification/v2_ux_interfaces.md now
  returns zero results.

Phase 0.4 — Local-redeclaration inventory:
- specification/v2_ux_interfaces_phase_0_4_inventory.md enumerates
  every ad hoc local type (JsonSchema, LogLevel, TaskStatus,
  PromptItem, ResourceItem, ToolListItemProps, RootEntry, KeyValuePair,
  inline ConnectionStatus / transport unions) that will be replaced
  in Phases 1–4, including the file it lives in, every site that
  re-imports it, and the SDK / wrapper type that replaces it. Intended
  for the Phase 0 PR description and as a running checklist during
  the refactor.

Build state: npm run build / lint / format:check all pass in
clients/web.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-15 16:06:23 -04:00