WHOIS for Cursor

io.github.kincaidyang/whois

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

client:Cursor transport:streamable-http tools:2

Install WHOIS in Cursor

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

{
  "mcpServers": {
    "whois": {
      "url": "https://whois.ddnsip.cn/mcp"
    }
  }
}

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