Email Check for Gemini CLI

io.github.dawaxwx/email-check

Fast email validation at the edge: syntax, MX records, disposable-domain detection.

client:Gemini CLI transport:streamable-http

Install Email Check in Gemini CLI

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

{
  "mcpServers": {
    "email-check": {
      "httpUrl": "https://email-check.david-cyr.workers.dev/mcp"
    }
  }
}

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