LocalFree

Whois MCP server

cyanheads/whois-mcp-server

Domain registry records and status, DNS records, and IP/ASN resolution over RDAP and DoH.

2 GitHub stars
Source code

Install Whois in Claude Code

Claude Code
claude mcp add cyanheads-whois -- npx -y @cyanheads/whois-mcp-server
mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)
{
  "mcpServers": {
    "cyanheads-whois": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/whois-mcp-server"
      ]
    }
  }
}

Frequently asked questions

What does the Whois MCP server do?

Domain registry records and status, DNS records, and IP/ASN resolution over RDAP and DoH.

Is the Whois MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Whois run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Whois to Claude Code?

Run: claude mcp add cyanheads-whois -- npx -y @cyanheads/whois-mcp-server

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