Agent Guardrail MCP Server for Gemini CLI

io.github.jarvisonm4/agent-guardrail

Action-level governance for AI agents -- control what they DO, not what they SAY

client:Gemini CLI transport:stdio runtime:pypi

Install Agent Guardrail MCP Server in Gemini CLI

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

{
  "mcpServers": {
    "agent-guardrail": {
      "command": "uvx",
      "args": [
        "agent-guardrail"
      ]
    }
  }
}

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