RDAP API for Cursor

io.rdapapi/rdap

Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.

client:Cursor transport:streamable-http tools:7

Install RDAP API in Cursor

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

{
  "mcpServers": {
    "rdap": {
      "url": "https://rdapapi.io/mcp/rdap"
    }
  }
}

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