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mcp/harbor
Gemini CLI

Domain Security for Gemini CLI

io.github.ortamarco/domain-security-mcp-server

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

client:Gemini CLI transport:stdio runtime:npm

Install Domain Security in Gemini CLI

~/.gemini/settings.json · windows: %USERPROFILE%\.gemini\settings.json 

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

Gemini expands $VAR and ${VAR} inside env values, so a secret can live in your shell rather than this file. Gemini CLI docs

Domain Security in other clients

Domain Security MCP server