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mcp/harbor
Claude Desktop

DC5 WHOIS for Claude Desktop

tech.dc5.whois/dc5-whois

WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.

client:Claude Desktop transport:streamable-http tools:4

Install DC5 WHOIS in Claude Desktop

~/Library/Application Support/Claude/claude_desktop_config.json · windows: %APPDATA%\Claude\claude_desktop_config.json 

{
  "mcpServers": {
    "dc5-whois": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://whois.dc5.tech/mcp"
      ]
    }
  }
}

Claude Desktop has no remote transport in its config file, so this bridges through mcp-remote. Restart the app after saving. Claude Desktop docs

What Claude Desktop can do once it is connected

DC5 WHOIS in other clients

DC5 WHOIS MCP server