Bumps @modelcontextprotocol/ext-apps and the example server packages to
1.7.5. Notably picks up server-lazy-auth's larger consent-button touch
targets so the /lazy-auth flow is tappable on mobile
(modelcontextprotocol/ext-apps#714).
ext-apps@1.7.x peers on @modelcontextprotocol/sdk ^1.29.0, which
required bumping the pinned sdk from 1.24.2 and adapting to its
StreamableHTTPServerTransport refactor:
- redisTransport: sessionId is now a readonly getter on the Node
wrapper; inject it (and _initialized) on the underlying web-standard
transport so resumed sessions validate. Also guard message.id which
is now optional on JSONRPCMessage.
- shttp.integration.test: handleRequest now routes through
@hono/node-server, so the mock IncomingMessage needs url/host/
rawHeaders/on/off/resume, and the session-id header now arrives via
writeHead instead of setHeader.
- Bump @modelcontextprotocol/ext-apps from ^1.1.0 to ^1.1.1
- Bump all @modelcontextprotocol/server-* packages from ^1.1.0 to ^1.1.1
- Add new @modelcontextprotocol/server-debug package at ^1.1.1
- Wire up debug server in example-apps module at /debug/mcp
- Update @modelcontextprotocol/ext-apps to ^1.0.1
- Update all @modelcontextprotocol/server-* packages to ^1.0.1
- Pin @modelcontextprotocol/sdk to 1.24.2 to avoid SDK upgrades from transitive deps
- Pin @types/express-serve-static-core to 5.1.0 for type compatibility
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Wire up 13 MCP Apps servers from the @modelcontextprotocol/server-* packages:
- budget-allocator: Interactive budget allocation UI
- cohort-heatmap: Customer retention heatmap
- customer-segmentation: Scatter chart with clustering
- map: Interactive 3D globe viewer (CesiumJS)
- pdf: Interactive PDF viewer
- scenario-modeler: SaaS business projections dashboard
- shadertoy: Real-time GLSL shader renderer
- sheet-music: ABC notation to sheet music visualizer
- system-monitor: Real-time OS metrics display
- threejs: 3D scene renderer
- transcript: Live speech transcription
- video-resource: Binary video streaming via MCP resources
- wiki-explorer: Wikipedia link graph visualization
Each server is mounted at /{slug}/mcp and shares the same OAuth
authentication as the main MCP server.
Also updates the splash page to dynamically list all available
example servers.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Update @modelcontextprotocol/ext-apps to 0.4.0
- Use new nested format `_meta.ui.resourceUri` in tool definition
- Remove resourceUri from tool result (only needed in tool definition)
- Add example structuredContent and _meta in tool result for demo
Implements a simple MCP Apps tool that returns an interactive React UI:
- Add `mcp_apps_hello_world` tool with `_meta.ui/resourceUri` metadata
- Add resource handler for `ui://hello-world/app.html` returning HTML
- Create React app using `@modelcontextprotocol/ext-apps/react` hooks
- Add Vite build tooling to bundle React apps into single HTML files
The tool demonstrates the MCP Apps extension (SEP-1865) which allows
MCP servers to return interactive UI that runs in the client.
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Replace the pkg.pr.new preview URL (PR #1189) with the official npm
release now that the changes have been merged and published.
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- Merge auth-server and mcp-server into unified architecture under src/modules/
- Add configurable auth modes: internal (single process) and external (separate processes)
- Update example scripts to support OAuth discovery and both auth modes
- Consolidate OAuth documentation into comprehensive implementation guide
- Add configuration options for development vs production deployments
- Support both Redis-backed and in-memory session storage
Simplified the repository to have a single OAuth pattern with separate auth and MCP servers at the top level. Preserved embedded OAuth documentation as an alternative pattern.
The auth server's /introspect endpoint now correctly sets the 'aud' field
to the resource server URL (BASE_URI) instead of the client ID. This ensures
proper audience validation when the MCP server verifies tokens in separate mode.
- Import BASE_URI in auth server
- Set aud to BASE_URI in introspection response
- Fixes "Token was not issued for this resource server" error
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Use single tsconfig.json for both main server and auth-server to avoid
nested directory issues during build. Update e2e test scripts to run
directly instead of using concurrently.
- Make 'npm run build' build both main server and auth server
- Remove redundant build:auth-server and build:all scripts
- Update README to reflect simplified build command
- Ensures compilation errors in auth server are caught by default build
- Add express-rate-limit to custom endpoints for security:
- /introspect: 100 requests per 5 minutes
- /fakeupstreamauth/*: 20 requests per minute
- Static files: 25 requests per 10 minutes
- Add automated e2e testing npm scripts using concurrently:
- npm run test:e2e:integrated: Auto-starts server and runs test
- npm run test:e2e:separate: Auto-starts both servers and runs test
- Update README with automated testing approach documentation
- Update docs/streamable-http-design.md with current file structure
- Remove redundancy in README e2e testing documentation
- Verified: All tests, linting, and e2e scripts pass with rate limiting
- Created auth-server/index.ts with full OAuth endpoint support
- Reuses EverythingAuthProvider from main server
- Added custom /oauth/introspect endpoint for token validation
- Includes fake upstream auth routes for user authentication
- Added TypeScript configuration for auth server
- Added comprehensive npm scripts for all modes:
- dev:integrated, dev:separate, dev:auth-server
- dev:with-separate-auth (runs both servers)
- build:auth-server, build:all
- Added concurrently dependency for running multiple servers
- Added detailed README for auth server
- Successfully serves OAuth metadata and health endpoints
- Replace getRawBody with direct req.body usage since express.json() middleware already parses it
- Add debugging support with --inspect flag for dev scripts
- Add VS Code launch configurations for debugging
The issue was that getRawBody tried to read an already-consumed stream. Since express.json()
middleware is applied globally, we can directly use req.body instead.
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- Add overrides for @types/express to resolve version conflicts
- Remove SDK build step from CI as we're now using published version
- Move mcp.png to src/static folder and update serving path
- Add copy-static script to build process
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- Updated Jest configuration to use ts-jest ESM preset
- Added NODE_OPTIONS flag for experimental VM modules support
- Fixed import statements in all test files to import Jest globals
- Rewrote provider.test.ts to work with ESM (using actual implementations with mock Redis)
- Fixed test expectations to match actual implementation
- Fixed encryption key generation in tests (using proper 64-char hex tokens)
- Standardized token_type to "Bearer" across codebase
- Removed unused imports to fix lint errors
- Excluded scratch folder from test runs
All tests now pass successfully with proper ES module support.
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Relocked
