domain-security-mcp-server

by GitHub Actions · Developer Tools · MCP server

domain-security-mcp-server is an MCP server by GitHub Actions. MCP server for domain and email security audits — SPF, DKIM, DMARC, MTA-STS, BIMI, DNSSEC, DNS, TLS/SSL and WHOIS. No API keys required. Its npm package was downloaded 266 times last week.

Category: Developer Tools
Author: GitHub Actions
GitHub stars: Not on GitHub
This week: Tracking since 23 Oct 2026
Weekly downloads: 266
Language: JavaScript
License: MIT (open source)
Last update: 2026-10-16 (8 days ago)
Links: Source npm

mcp
model-context-protocol
dns
spf
dkim
dmarc
mta-sts
bimi
dnssec
ssl
tls
whois
+2 more

How to install domain-security-mcp-server

domain-security-mcp-server is published on npm as domain-security-mcp-server, and it is listed in the official MCP Registry. These steps assume it runs as a local stdio server, which is the usual setup.

Check the README. Confirm the start command and note any API keys or environment variables it needs (pass them with -e KEY=value or an env block). You need Node.js for npx.

Add it to Claude Code from a terminal:

claude mcp add domain-security-mcp-server -- npx -y domain-security-mcp-server

Or add it to Cursor or Claude Desktop in .cursor/mcp.json or claude_desktop_config.json:

{
  "mcpServers": {
    "domain-security-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "domain-security-mcp-server"
      ]
    }
  }
}

Restart the client and check it. Run claude mcp list, or open the client's MCP settings, and confirm domain-security-mcp-server and its tools are listed. The install guide covers VS Code and Codex.

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Frequently asked questions

What is domain-security-mcp-server?

domain-security-mcp-server is an MCP server by GitHub Actions in the Developer Tools category. MCP server for domain and email security audits — SPF, DKIM, DMARC, MTA-STS, BIMI, DNSSEC, DNS, TLS/SSL and WHOIS. No API keys required. Its npm package was downloaded 266 times last week. It is written in JavaScript. It is licensed under MIT. It was last updated 8 days ago.

Is domain-security-mcp-server free and open source?

Yes. domain-security-mcp-server is published under the MIT license, so you can run, modify and self-host it at no cost. If it connects to a paid service, that service's own pricing and API terms still apply. Check the repository for the exact license text before using it commercially.

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