Sentinel for Gemini CLI

org.448c/sentinel

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

client:Gemini CLI transport:streamable-http tools:2

Install Sentinel in Gemini CLI

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

{
  "mcpServers": {
    "sentinel": {
      "httpUrl": "https://448c.org/mcp"
    }
  }
}

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