Mailbuttons (mbag.ai) for Gemini CLI

com.mailbuttons/mcp-server

Governed email for AI agents (Mailbuttons / mbag.ai): sandbox inboxes, policy gate, audit log.

client:Gemini CLI transport:streamable-http runtime:npm

Install Mailbuttons (mbag.ai) in Gemini CLI

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

{
  "mcpServers": {
    "mcp-server": {
      "httpUrl": "https://mailbuttons.com/api/v1/mcp/rpc"
    }
  }
}

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