Prefix WhoIs for Cursor

org.pwhois/pwhois

Live BGP routing table and registry lookups: IP origin, ASN prefixes, transit, org search.

client:Cursor transport:streamable-http

Install Prefix WhoIs in Cursor

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

{
  "mcpServers": {
    "pwhois": {
      "url": "https://pwhois.org/mcp/"
    }
  }
}

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