GrabMail disposable email for Gemini CLI

io.grabmail/mcp

Disposable email for agents: create an inbox, wait for the message, read the code. No key needed.

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

Install GrabMail disposable email in Gemini CLI

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

{
  "mcpServers": {
    "mcp": {
      "httpUrl": "https://grabmail.io/mcp"
    }
  }
}

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