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Whois MCP

@dadepo

Repository

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

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

4

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.

Frequently asked questions

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.

Comments

Basic information

Category

Other

Transports

stdio

Author

dadepo

Submitted by

dadepo

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