dillon1000/react
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Browse files [react-devtools-cdt-mcp] chrome-devtools-mcp integration (#36600)
> [!NOTE] > I had to invalidate `node_modules` cache keys on CI, because we are now using `react-devtools-facade` package and we need to create a symlink to it, otherwise Flow will fail. We use a hash value of `yarn.lock`, but it's not invalidated when a package inside yarn workspace is using another private package. --- This change introduces new `react-devtools-cdt-mcp` package, which is responsible for installing React tools for `chrome-devtools-mcp` server. It is using `react-devtools-facade` as a dependency: it doesn't own the implementation of these tools, it just relays Facade's tools to `chrome-devtools-mcp` format. When CDT MCP navigates to a fresh page, it emits unique `devtoolsdiscovery` method, that has `respondWith` method, which is the integration point between runtime libraries and MCP server. `react-devtools-cdt-mcp` is the owner for this integration. More details are available here - https://github.com/ChromeDevTools/chrome-devtools-mcp/blob/main/docs/third-party-developer-tools.md. Here is the list of tools that are being installed: - `react_get_component_tree` - `react_get_component_by_uid` - `react_find_components` - `react_get_component_source` - `react_get_owner_stack_trace` - `react_get_owner_stack` - `react_start_profiling` - `react_stop_profiling ` - `react_get_trace_overview` - `react_get_commit_report` --- Quick demo how to test the package with `chrome-devtools-mcp` CLI. Steps are also mentioned in `README` file: https://github.com/user-attachments/assets/af9fefce-03f0-4ebd-a94f-e9dd72b87f4d
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First-parent comparison.eslintignore ModifiedM .github/workflows/devtools_regression_tests.yml ModifiedM .github/workflows/runtime_build_and_test.yml ModifiedM .gitignore ModifiedA packages/react-devtools-cdt-mcp/README.md AddedA packages/react-devtools-cdt-mcp/fixtures/app/App.js AddedA packages/react-devtools-cdt-mcp/fixtures/app/README.md AddedA packages/react-devtools-cdt-mcp/fixtures/app/index.html AddedA packages/react-devtools-cdt-mcp/fixtures/app/index.js AddedA packages/react-devtools-cdt-mcp/fixtures/app/package.json AddedA packages/react-devtools-cdt-mcp/fixtures/app/webpack.config.js AddedA packages/react-devtools-cdt-mcp/fixtures/app/yarn.lock AddedA packages/react-devtools-cdt-mcp/index.js AddedA packages/react-devtools-cdt-mcp/package.json AddedA packages/react-devtools-cdt-mcp/rollup.config.cjs AddedA packages/react-devtools-cdt-mcp/src/DevToolsCdtMcp.js AddedA packages/react-devtools-cdt-mcp/src/__tests__/DevToolsCdtMcp-test.js AddedA packages/react-devtools-cdt-mcp/src/index.js AddedM packages/react-devtools-facade/src/DevToolsFacadeTools.js ModifiedM scripts/jest/config.build.js ModifiedM scripts/jest/config.source-persistent.js ModifiedM scripts/jest/config.source-www.js ModifiedM scripts/jest/config.source-xplat.js ModifiedM scripts/jest/config.source.js ModifiedPatch
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