Whois MCP

Name: Whois MCP
Author: dadepo

@dadepo

About Whois MCP

A Model Context Protocol (MCP) server that provides LLMs with network information lookup tools through WHOIS and RIPE Database queries.

#whois #rir #networking

Basic information

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "whois-mcp": {
      "command": "/path/to/bin/uvx",
      "args": [
        "--from",
        "git+https://github.com/dadepo/whois-mcp.git",
        "whois-mcp"
      ]
    }
  }
}

Tools

Query WHOIS servers for domains, IPs, and ASNs

Recursively expand AS-SETs into concrete ASN lists

Check IRR route/route6 object existence

Fetch abuse, admin, and technical contacts

Overview

What is Whois MCP?

A Model Context Protocol (MCP) server that provides LLMs with network information lookup tools through WHOIS and RIPE Database queries. It is primarily optimized for RIPE NCC (Europe/Middle East/Central Asia) resources and databases.

How to use Whois MCP?

Install using uvx and configure in your MCP client (e.g., Claude Desktop) with the command and args shown in the README. Optional environment variables include RIPE_REST, HTTP_TIMEOUT_SECONDS, and USER_AGENT.

Key features of Whois MCP

Query WHOIS servers for domains, IPs, and ASNs
Recursively expand AS-SETs into concrete ASN lists
Check IRR route/route6 object existence
Fetch abuse, admin, and technical contacts

Use cases of Whois MCP

Find which organization owns a specific IP address
List all member ASNs in an AS-SET
Verify the existence of a route object for a given prefix and ASN
Retrieve abuse contact information for a particular ASN

FAQ from Whois MCP

Which Regional Internet Registries are supported?

Currently primarily optimized for RIPE NCC (Europe/Middle East/Central Asia). Support for other RIRs is planned.

What environment variables can I configure?

Optional variables: RIPE_REST (custom RIPE API endpoint), HTTP_TIMEOUT_SECONDS (HTTP request timeout), and USER_AGENT (custom User-Agent string).

How do I install and run Whois MCP?

Use uvx from the GitHub repository with the command /path/to/bin/uvx and args ["--from", "git+https://github.com/dadepo/whois-mcp.git", "whois-mcp"].

What license is Whois MCP under?

MIT License.

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