Preact

MCP server for querying Preact documentation and ecosystem.

Installation

npm install -g preact-mcp

Usage with Claude

Add the server using Claude's MCP command:

claude mcp add preact-mcp

Usage with Cursor

Add to your Cursor settings (Settings → Extensions → MCP):

{
  "mcpServers": {
    "preact": {
      "command": "npx",
      "args": ["preact-mcp"]
    }
  }
}

Or add to your .cursorrules file:

MCP Server: preact-mcp
Command: npx preact-mcp
Description: Query Preact documentation and ecosystem

Available Tools

• query_preact_docs - Search Preact documentation
• get_preact_readme - Get README from any Preact repository
• list_preact_repositories - List all available Preact packages

Supported Repositories

• preact - Core Preact library with React compatibility
• preact-iso - Isomorphic router and SSR utilities
• @preact/signals-core - Core reactive state management
• @preact/signals - Preact-specific signals implementation
• @preact/signals-react - React compatibility for signals
• @preact/preset-vite - Vite preset for Preact
• create-preact - Project scaffolding tool
• playwright-ct - Component testing with Playwright
• vitest-browser-preact - Browser testing with Vitest
• htm - JSX alternative using template literals

Configuration Paths

• Windows: %APPDATA%\Claude\claude_desktop_config.json
• macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
• Linux: ~/.config/Claude/claude_desktop_config.json

Development

pnpm install
pnpm build
pnpm start

License

MIT License - see LICENSE file for details.