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mcp/harbor
Gemini CLI

guardian mcp for Gemini CLI

io.github.odingard/guardian-mcp

Routes agent tool calls through Guardian for ALLOW/ASK/DENY before execution.

client:Gemini CLI transport:stdio runtime:npm

Install guardian mcp in Gemini CLI

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

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "guardian-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@odingard/guardian-mcp"
      ],
      "env": {
        "GUARDIAN_BASE_URL": "<GUARDIAN_BASE_URL>",
        "GUARDIAN_AGENT_CREDENTIAL": "<GUARDIAN_AGENT_CREDENTIAL>",
        "GUARDIAN_CONNECTION_ID": "<GUARDIAN_CONNECTION_ID>",
        "GUARDIAN_ADAPTER_ID": "<GUARDIAN_ADAPTER_ID>"
      }
    }
  }
}

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

guardian mcp in other clients

guardian mcp MCP server