* Add npm publish workflow
- Add .github/workflows/npm-publish.yml triggered on GitHub releases
- Runs build and test jobs before publishing
- Uses NPM_TOKEN secret with OIDC provenance
- Smart npm tagging: latest, beta, or release-X.Y
- Add prepack hook to package.json for automatic builds
- Move bun from dependencies to devDependencies
- Add npm test step to CI workflow
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add CONTRIBUTING.md with maintainer publishing guide
- Getting started and development process for contributors
- Pull request guidelines
- Maintainer section with:
- Repository setup (NPM_TOKEN, release environment)
- Step-by-step release publishing instructions
- npm tag documentation (latest, beta, release-X.Y)
- Maintenance release workflow
- Pre-release testing via pkg-pr-new
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Co-Authored-By: Claude <noreply@anthropic.com>
* ...
* Potential fix for code scanning alert no. 9: Workflow does not contain permissions
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
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Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
New example demonstrating interactive 3D scene rendering with:
- show_threejs_scene tool with streaming code preview
- learn_threejs documentation tool
- Full WidgetProps interface for MCP App integration
- Reusable mcp-app-wrapper.tsx pattern
Also adds bun.lockb to .gitignore.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add server selector to basic-host example
- Add ServerSelector component to switch between MCP servers
- Run all example servers concurrently on ports 3101-3107
- Update examples:start to launch all servers with assigned ports
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Co-Authored-By: Claude <noreply@anthropic.com>
* Move server selector into tool call panel
- Server selector now in same component as tool selector
- Tool call results persist across server switches
- Connection caching avoids reconnects when switching servers
- Display server name with tool name in results (ServerName:ToolName)
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Co-Authored-By: Claude <noreply@anthropic.com>
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Co-authored-by: Claude <noreply@anthropic.com>
Replace hardcoded workspace list with find + xargs to automatically
build all examples in parallel. New examples are picked up without
manual script updates.
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Co-Authored-By: Claude <noreply@anthropic.com>
Demonstrates MCP App SDK usage with vanilla JavaScript (no framework),
providing parity with the existing basic-server-react example.
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Co-Authored-By: Claude <noreply@anthropic.com>
Introduce new example implementations to replace simple-host and
simple-server:
- basic-host: Reference host implementation with double-iframe sandbox
pattern for secure UI isolation (outer iframe validates and relays
messages, inner iframe renders untrusted tool UI via srcdoc)
- basic-server-react: MCP server example demonstrating tool registration
with linked UI resources and React UI using the useApp() hook
Build infrastructure updates:
- Add build:all script and simplify CI/pre-commit to use it
- Add examples:dev for watch-mode development workflow
Also change PostMessageTransport logging from info to debug level.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add App <-> AppBridge integration tests
- Add minimalistic tests validating communication between App (guest) and AppBridge (host)
- Test initialization handshake flow
- Test Host -> App notifications (toolInput, toolInputPartial, toolResult, hostContext)
- Test App -> Host notifications (sizeChange, log)
- Test App -> Host requests (sendMessage, sendOpenLink)
- Test ping functionality
- Add setHostContext and sendToolInputPartial to AppBridge
- Add test script to package.json
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Co-Authored-By: Claude <noreply@anthropic.com>
* docs: add JSDoc for setHostContext and sendToolInputPartial
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Co-Authored-By: Claude <noreply@anthropic.com>
* fix: add @types/bun for test type checking
- Add @types/bun devDependency for bun:test types
- Fix mock client request return type
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Co-Authored-By: Claude <noreply@anthropic.com>
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Co-authored-by: Claude <noreply@anthropic.com>
* Refactor types.ts to use explicit interfaces with JSDoc
Replace z.infer<typeof Schema> patterns with explicit interface
definitions for all MCP UI types. Add VerifySchemaMatches helper
type to ensure compile-time verification that schemas match their
interfaces.
Add comprehensive JSDoc documentation to all exported types including:
- Clear descriptions of purpose and usage
- @see references to related types and methods
- Code examples where helpful
- @internal markers for implementation details
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add JSDoc documentation and TypeDoc tooling
Add comprehensive JSDoc documentation to:
- AppBridge class and all methods
- App class and all methods
- PostMessageTransport class and callbacks
- React hooks (useApp, useAutoResize)
- React module index
Set up TypeDoc for API documentation generation:
- Add typedoc.json configuration
- Add docs and docs:watch npm scripts
- Add typedoc dev dependency
- Update .gitignore to exclude generated docs
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add JSDoc documentation for callback handler setters
Document all notification and request handler setters in AppBridge
and App classes with comprehensive JSDoc comments including:
- Clear descriptions of when handlers are called
- Parameter documentation and types
- Practical code examples with error handling
- Cross-references to related types and methods
- Security considerations where relevant
Also update types.ts to document optional isError fields in result
types and make McpUiInitializedNotification params optional.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add JSDoc for new App methods and fix result type compatibility
Document new public APIs introduced in merge commit 74a7b1f:
- getHostCapabilities() - getter for host capabilities after connect
- getHostVersion() - getter for host implementation info after connect
- oncalltool setter - convenience handler for tool call requests
- onlisttools setter - convenience handler for tool listing requests
- RESOURCE_URI_META_KEY constant - metadata key for resource URIs
Add index signatures to McpUiMessageResult and McpUiOpenLinkResult
for MCP SDK Protocol class compatibility, matching the existing
pattern in McpUiInitializeResult.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add comprehensive JSDoc documentation across library
- Document App methods with detailed descriptions and examples
- Add JSDoc to AppBridge methods including getters and setters
- Document PostMessageTransport callback properties
- Improve React hook documentation (useApp, useAutoResize)
- Add documentation for types.ts result and notification types
- Add @see cross-references between related methods
- Fix code examples to use correct syntax and patterns
- Clarify error handling behavior in method descriptions
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Co-Authored-By: Claude <noreply@anthropic.com>
* Fix TypeDoc cross-module link resolution warnings
Replace unqualified @link references with module-qualified syntax to fix
"Failed to resolve link" warnings during docs generation. TypeDoc cannot
resolve links like {@link App.sendOpenLink} without imports, so use the
module-qualified format {@link app.App.sendOpenLink} instead.
Changes:
- types.ts: Fix 9 cross-module links to App and AppBridge methods
- app-bridge.ts: Fix 2 references to App.sendSizeChange
- message-transport.ts: Fix 2 references to App.connect and AppBridge.connect
This eliminates all "Failed to resolve link" warnings without requiring
circular imports or removing documentation cross-references.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Remove TypeDoc links to undocumented external types
Remove @link references to types that are either:
- Not exported (AppOptions) - internal implementation detail
- From external packages (@modelcontextprotocol/sdk) - not included in docs
This eliminates warnings about resolved but undocumented types. The type
information is still available through TypeScript's type system and parameter
documentation, but without broken links in the generated documentation.
Removed links to:
- AppOptions (internal type)
- Implementation, CallToolRequest, CallToolResult (MCP SDK types)
- ListToolsRequest, LoggingMessageNotification (MCP SDK types)
Reduces warnings from 12 to 4 (remaining are about missing example files).
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Co-Authored-By: Claude <noreply@anthropic.com>
* Bump @modelcontextprotocol/sdk to ^1.23.0
Update SDK dependency to fix CI build failures caused by version
mismatch. CI was installing 1.23.0 (latest compatible with ^1.22.0)
while local builds used 1.22.0.
Note: package-lock.json is gitignored, which prevents reproducible
builds. Consider committing it to ensure CI uses the same versions
as local development.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Fix Zod type compatibility with @modelcontextprotocol/sdk
The SDK imports Zod from 'zod/v4' while this package imported from
'zod'. Although both resolve to the same version (3.25.x), TypeScript
sees them as separate modules with incompatible type declarations.
This caused type errors when:
- Extending SDK schemas like RequestSchema.extend()
- Passing SDK schemas to setRequestHandler/setNotificationHandler
- Using ZodObject/ZodLiteral types from different import paths
Changes:
- Import zod from 'zod/v4' to match SDK import path
- Update z.record() calls to use Zod v4 signature (requires both
key and value schemas)
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add GitHub Actions workflow to deploy docs to gh-pages
Adds a workflow with manual trigger (workflow_dispatch) that generates
TypeDoc documentation and publishes it to the gh-pages branch using
peaceiris/actions-gh-pages.
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Co-Authored-By: Claude <noreply@anthropic.com>
* Add docs index.html redirect to API documentation
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Co-Authored-By: Claude <noreply@anthropic.com>
* Revise README for clarity and audience focus
- Add API documentation badge linking to GitHub Pages
- Reorganize content around two audiences: App Developers and Host Developers
- Convert relative links to absolute GitHub URLs for better portability
- Simplify installation and examples sections
- Add Resources section with links to docs, spec, and discussion
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Co-Authored-By: Claude <noreply@anthropic.com>
* Update src/app-bridge.ts
---------
Co-authored-by: Claude <noreply@anthropic.com>
Co-authored-by: Olivier Chafik <ochafik@anthropic.com>
