Couryo free email tools for Gemini CLI

com.couryo/tools

Free, no login: verify an email address, check SPF/DKIM/DMARC, explain SMTP errors, build SPF/DMARC.

client:Gemini CLI transport:streamable-http tools:6

Install Couryo free email tools in Gemini CLI

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

{
  "mcpServers": {
    "tools": {
      "httpUrl": "https://mcp.couryo.com/tools"
    }
  }
}

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