email guard mcp for Gemini CLI

io.github.mlawsonking/email-guard-mcp

Email safety for AI agents: scan inbound for prompt-injection/phishing + outbound for secret leaks.

client:Gemini CLI transport:stdio runtime:npm

Install email guard mcp in Gemini CLI

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

{
  "mcpServers": {
    "email-guard-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "email-guard-mcp"
      ]
    }
  }
}

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