How do I install whois-mcp-server?

Pick a client above and copy the generated config. Cursor and VS Code also have a deep link when the server can run locally or remotely.

Is whois-mcp-server official?

No. Registry-listed is not the same as vendor-official. Read the methodology for the difference.

How is the trust score calculated?

This listing scores 58 (Fair). The formula is published on the methodology page.

MCPpedia

whois-mcp-server MCP Server | MCPpedia

whois-mcp-server MCP Server

Name: whois-mcp-server MCP Server
Author: cyanheads

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

Tools Versions Alternatives

Registrycyanheads

58Fair

Install

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "cyanheads-whois-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@cyanheads/whois-mcp-server@0.2.1"
      ],
      "env": {
        "MCP_LOG_LEVEL": "info",
        "RDAP_TIMEOUT_MS": "5000",
        "DOH_TIMEOUT_MS": "3000",
        "RDAP_MAX_RETRIES": "2",
        "DOH_MAX_RETRIES": "2"
      }
    }
  }
}

Install guide

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Environment

Name	Required	Notes
MCP_LOG_LEVEL	No	Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
RDAP_TIMEOUT_MS	No	HTTP timeout for RDAP requests in milliseconds.
DOH_TIMEOUT_MS	No	HTTP timeout for DNS-over-HTTPS requests in milliseconds.
RDAP_MAX_RETRIES	No	Max retry attempts on transient RDAP failures.
DOH_MAX_RETRIES	No	Max retry attempts on transient DNS-over-HTTPS failures.
MCP_TRANSPORT_TYPE	No	Selects the HTTP transport.
MCP_HTTP_HOST	No	The hostname for the HTTP server.
MCP_HTTP_PORT	No	The port to run the HTTP server on.
MCP_HTTP_ENDPOINT_PATH	No	The endpoint path for the MCP server.
MCP_PUBLIC_URL	No	Public origin override for deployments behind a TLS-terminating reverse proxy (e.g. https://mcp.example.com).
MCP_AUTH_MODE	No	Authentication mode to use: 'none', 'jwt', or 'oauth'.
MCP_LOG_LEVEL	No	Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
RDAP_TIMEOUT_MS	No	HTTP timeout for RDAP requests in milliseconds.
DOH_TIMEOUT_MS	No	HTTP timeout for DNS-over-HTTPS requests in milliseconds.
RDAP_MAX_RETRIES	No	Max retry attempts on transient RDAP failures.
DOH_MAX_RETRIES	No	Max retry attempts on transient DNS-over-HTTPS failures.

whois-mcp-server MCP Server

Install

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