mdn-mcp

This is an MCP server which provides access to MDN's search, documentation and Browser Compatibility Data.

Using the remote server

Add the remote server to your tool of choice, e.g. in Claude Code:

claude mcp add --transport http mdn https://mdn-mcp-0445ad8e765a.herokuapp.com/mcp

Using locally

• Install dependencies: npm install
• Start the server: npm start

Add the server to your tool of choice, e.g. in Claude Code:

claude mcp add --transport http mdn-local http://localhost:3002/mcp

Local development

• Install dependencies: npm install
• Start the development server, MCP inspector and tests: npm run dev
• Your browser should automatically open the MCP inspector, and the server will restart when you make changes