Mail Security Tools for Gemini CLI

com.mailsecuritytools.api/email-security

Free DMARC, SPF, DKIM and MX checks, a 1-cent email security score and a $1 DNS fix plan.

client:Gemini CLI transport:streamable-http tools:5

Install Mail Security Tools in Gemini CLI

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

{
  "mcpServers": {
    "email-security": {
      "httpUrl": "https://api.mailsecuritytools.com/mcp"
    }
  }
}

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