MCP Domain Tools

Get the same powerful network analysis tools from Headers Live directly in your AI assistant with our Model Context Protocol (MCP) server

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Troubleshoot website and domain issues with AI

The mcp-domaintools server is created by the same developer who built Headers Live. You get the exact same network analysis capabilities that power this website, but packaged as a Model Context Protocol (MCP) server for seamless integration with AI assistants like Claude, ChatGPT, and others.

No more switching between your AI chat and web browsers - get comprehensive network analysis directly in your AI conversations with the same reliable tools you trust on Headers Live.

Available MCP Tools

`whois_query`

Get domain registration information, registrar details, and contact information.

Try it on Headers Live →

`tls_certificate_check`

Analyze TLS certificate chains, validity, expiration, and security details.

Try it on Headers Live →

`resolve_hostname`

Convert hostnames to IP addresses and discover hosting provider information.

Try it on Headers Live →

`local_dns_query`

Perform DNS queries using your system's configured DNS servers for A, AAAA, CNAME, MX, NS, PTR, SOA, SRV, and TXT records.

Enhanced DNS capabilities

`remote_dns_query`

Secure DNS queries via Cloudflare and Google DNS-over-HTTPS with fallback support.

DNS-over-HTTPS support

`ping`

Test connectivity and measure ICMP response times to any host.

Network connectivity testing

`http_ping`

Test HTTP endpoints with detailed timing: DNS, connection, TLS, and time-to-first-byte.

Advanced HTTP performance testing

Installation Options

Docker (Recommended)

The easiest way to get started. Docker automatically downloads and runs the MCP server.

Editor Configuration:

{
  "mcpServers": {
    "domaintools": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/patrickdappollonio/mcp-domaintools:latest"
      ],
      "env": {}
    }
  }
}

Binary Installation

Homebrew (macOS and Linux)

brew install patrickdappollonio/tap/mcp-domaintools

GitHub Releases

Download pre-built binaries for your platform from the GitHub Releases page

Editor Configuration (after installing binary):

{
  "mcpServers": {
    "domaintools": {
      "command": "mcp-domaintools",
      "args": [],
      "env": {}
    }
  }
}

Optional configuration: You can add flags like --timeout=5s, --ping-timeout=5s, --ping-count=4, etc. to the args array.

One-Click Install for Cursor

If you're using Cursor, you can install the MCP server with one click (uses Docker version):

Install in Cursor

Why Use the MCP Server?

Seamless AI Integration

Get network analysis directly in your AI conversations without switching tools.

Enhanced Capabilities

Access DNS queries, ping operations, and HTTP performance testing beyond the website.

Privacy & Performance

Run locally with no data sent to external services beyond necessary network queries.

Easy Installation

Multiple installation options including Docker, Homebrew, and pre-built binaries.

Trusted Developer

Built by the same developer who created Headers Live, ensuring quality and reliability.

Open Source

Fully open source with active development and community support.