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io.github.cyanheads/whois-mcp-server

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

Install

Add the config to your client settings. Replace values in <angle brackets> with your own.

claude_desktop_config.json

{
  "mcpServers": {
    "whois-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/whois-mcp-server@0.2.0"
      ],
      "env": {
        "MCP_LOG_LEVEL": "info",
        "RDAP_TIMEOUT_MS": "5000",
        "DOH_TIMEOUT_MS": "3000",
        "RDAP_MAX_RETRIES": "2",
        "DOH_MAX_RETRIES": "2"
      }
    }
  }
}

Details

Name: io.github.cyanheads/whois-mcp-server
Version: 0.2.0
Updated: Oct 13, 2026
Source: Official MCP Registry
Repository: https://github.com/cyanheads/whois-mcp-server