b152f74ccd
undici 8.5.0 requires Node >= 22.19.0 (its declared engines), so CI's Node 20.x could not load undici's CacheStorage (missing webidl.util.markAsUncloneable) and the proxy integration tests failed. Bump the CI setup-node to 22.x to match the repo's Node floor. Reconcile the declared floor with undici's real requirement: bump root engines.node to >=22.19.0 and correct the CLI README note (undici 8.5.0 needs >=22.19.0, not >=22.7.5). Also document proxy support in the web README and clarify that a caller-supplied eventSourceInit.fetch bypasses the proxy wrapper by design. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01S3fTN8H3R8YV4yUGvZjYnX
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React + TypeScript + Vite
This template provides a minimal setup to get React working in Vite with HMR and some ESLint rules.
Currently, two official plugins are available:
- @vitejs/plugin-react uses Oxc
- @vitejs/plugin-react-swc uses SWC
React Compiler
The React Compiler is not enabled on this template because of its impact on dev & build performances. To add it, see this documentation.
Expanding the ESLint configuration
If you are developing a production application, we recommend updating the configuration to enable type-aware lint rules:
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Remove tseslint.configs.recommended and replace with this
tseslint.configs.recommendedTypeChecked,
// Alternatively, use this for stricter rules
tseslint.configs.strictTypeChecked,
// Optionally, add this for stylistic rules
tseslint.configs.stylisticTypeChecked,
// Other configs...
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
You can also install eslint-plugin-react-x and eslint-plugin-react-dom for React-specific lint rules:
// eslint.config.js
import reactX from 'eslint-plugin-react-x'
import reactDom from 'eslint-plugin-react-dom'
export default defineConfig([
globalIgnores(['dist']),
{
files: ['**/*.{ts,tsx}'],
extends: [
// Other configs...
// Enable lint rules for React
reactX.configs['recommended-typescript'],
// Enable lint rules for React DOM
reactDom.configs.recommended,
],
languageOptions: {
parserOptions: {
project: ['./tsconfig.node.json', './tsconfig.app.json'],
tsconfigRootDir: import.meta.dirname,
},
// other options...
},
},
])
HTTP proxy support
The web backend connects to remote MCP servers through the shared Node transport (core/mcp/node/transport.ts), which honors the conventional proxy environment variables: HTTPS_PROXY / HTTP_PROXY (and their lowercase forms) select the proxy, and NO_PROXY exempts hosts. Routing is powered by undici's EnvHttpProxyAgent, imported lazily only when a proxy variable is set, so runs without a proxy configured pay no cost. See the CLI README for more detail.