Whois MCP

WHOIS/RDAP lookup, IP geolocation and Punycode conversion. 1400+ TLDs incl. IDN. No API key.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "whois-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "whois-mcp"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

wwhois — MCP server

WHOIS/RDAP domain lookup, IP geolocation and Punycode conversion, exposed as Model Context Protocol tools. Backed by wwhois.ru.

Server URL: https://wwhois.ru/backend/mcp
Transport: Streamable HTTP (JSON-RPC 2.0)
Auth: none — public, read-only
Rate limit: 30 tool calls / minute per client IP
Docs: https://wwhois.ru/mcp

Connect

Claude Desktop, Cursor, and other clients with an MCP server config:

config.json

{
  "mcpServers": {
    "wwhois": { "type": "http", "url": "https://wwhois.ru/backend/mcp" }
  }
}

Tools

Tool	Arguments	Returns
`whois_lookup`	`domain` (string)	Registration state (`registered` / `available` / `reserved` / `unsupported` / `unknown`) and the full raw WHOIS/RDAP record: registrar, registration and expiry dates, name servers, status. 1400+ zones including IDN / Cyrillic (`.рф`, `.москва`). RDAP where a zone offers it, plain WHOIS otherwise.
`ip_geolocation`	`ip` (string)	Country, region, city, ISP and organisation for an IPv4/IPv6 address.
`punycode_convert`	`value` (string)	Converts a domain between Unicode (IDN) and Punycode/ACE (`xn--`), both directions, auto-detected.

Manual check

Terminal

curl -s https://wwhois.ru/backend/mcp \
  -H 'Content-Type: application/json' -H 'Accept: application/json' \
  -d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}'

Notes

The server is a thin MCP wrapper over wwhois.ru's existing tools — the data is the same you get from the web pages at /whois, /ip and /punycode. It is a hosted remote service; this repository holds the description and manifests only.

Read the full README →View source on GitHub →

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Frequently Asked Questions about Whois MCP

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "whois-mcp": { "command": "npx", "args": ["-y", "whois-mcp"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

27Quality signal: Emerging · 27/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

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