policy gate for Gemini CLI

dev.workers.3labsio.policy-gate/policy-gate

Deterministic allow/require_approval/deny verdicts for agent actions, before they happen.

client:Gemini CLI transport:streamable-http tools:4

Install policy gate in Gemini CLI

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

{
  "mcpServers": {
    "policy-gate": {
      "httpUrl": "https://policy-gate.3labsio.workers.dev/mcp"
    }
  }
}

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