AgentFirstStack Mail for Gemini CLI

com.agentfirststack/mail

Email inboxes for AI agents: wait for mail, pull out verification codes and links, reply. Free.

client:Gemini CLI transport:streamable-http

Install AgentFirstStack Mail in Gemini CLI

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

{
  "mcpServers": {
    "mail": {
      "httpUrl": "https://mail.agentfirststack.com/mcp"
    }
  }
}

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