echo.email Deliverability Test for Gemini CLI

email.echo/deliverability

Send a test email, get SPF, DKIM, DMARC, TLS and IPv6 results plus sender rules. No key.

client:Gemini CLI transport:streamable-http tools:3

Install echo.email Deliverability Test in Gemini CLI

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

{
  "mcpServers": {
    "deliverability": {
      "httpUrl": "https://mcp.echo.email/mcp"
    }
  }
}

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