Domain Security MCP Server: Install & Setup

Install Domain Security in Claude Code

Claude Code

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

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

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

Frequently asked questions

What does the Domain Security MCP server do?

Audit a domain's email and web security: SPF, DKIM, DMARC, MTA-STS, DNSSEC, TLS, WHOIS. No API keys.

Is the Domain Security MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does Domain Security run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add Domain Security to Claude Code?

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

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