Rat Radar for Cursor

tech.ratlabs/rat-radar

Ask before you scrape: is a site open, may I fetch this URL, and how do I extract a page. No key.

client:Cursor transport:streamable-http tools:8

Install Rat Radar in Cursor

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

{
  "mcpServers": {
    "rat-radar": {
      "url": "https://rat-radar.github-a18.workers.dev/mcp"
    }
  }
}

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