Domain Mail Check for Gemini CLI

app.openkrill/mailcheck

Check how a domain is set up for email and who it is registered with, from public DNS data.

client:Gemini CLI transport:streamable-http tools:8

Install Domain Mail Check in Gemini CLI

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

{
  "mcpServers": {
    "mailcheck": {
      "httpUrl": "https://mailcheck.openkrill.app/mcp"
    }
  }
}

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