who.is MCP Server: Install & Setup

Install who.is in Claude Code

Claude Code

claude mcp add --transport http who-is https://api.who.is/v1/mcp

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "who-is": {
      "url": "https://api.who.is/v1/mcp"
    }
  }
}

Frequently asked questions

What does the who.is MCP server do?

Parsed WHOIS, RDAP, DNS, certificates, nameservers and domain history for any domain.

Is the who.is MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does who.is run locally or remotely?

Remote. Hosted by the provider. You connect with a URL, nothing to install.

How do I add who.is to Claude Code?

Run: claude mcp add --transport http who-is https://api.who.is/v1/mcp

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