W3c for Cursor

io.github.pipeworx-io/w3c

W3C MCP — web-standards lookup over w3c/browser-specs (GitHub, CF-reachable).

client:Cursor transport:streamable-http

Install W3c in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

{
  "mcpServers": {
    "w3c": {
      "url": "https://gateway.pipeworx.io/w3c/mcp"
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs