ask-gemini

THE RISK

High Risk

Why ask-gemini needs a policy

The tool interacts with Google's Gemini CLI which the server description explicitly states supports 'safe code execution' and the tool itself supports a changeMode flag for providing edits. This means it can both execute code (via the CLI) and modify files, placing it in the Execute category at minimum. The sandbox flag suggests code execution is a core feature.

From the tool's definition 'safe code execution', 'sandbox [-s]', 'changeMode:boolean for providing edits' — the tool invokes Gemini CLI which supports code execution and file editing

Documented attack patterns abuse exactly the kind of access ask-gemini gives an agent:

POLICY

How to control ask-gemini

PolicyLayer is an MCP gateway — it sits between your AI agents and Gemini CLI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for ask-gemini:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "ask-gemini": {
      "limits": [
        {
          "counter": "ask-gemini_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

ask-gemini stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

Create a free account and register Gemini CLI MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

RATE-LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

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All 6 Gemini CLI MCP Server tools →

Execute tools on other servers

Android Forensics ADB MCP Server adb_shell_command EMBA-MCP run_emba_scan Frida Game Hacking MCP remove_breakpoint Procmon request_elevation

Go deeper

High-risk tools in Gemini CLI MCP Server → Every high-risk tool this server exposes, in one view.
All high-risk MCP tools → Every high-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Agent sandbox → Bounding what an agent can execute and where the boundary should sit.
Least privilege for MCP → Granting agents the minimum tool surface the task needs.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about ask-gemini

What does the ask-gemini tool do? +

model selection [-m], sandbox [-s], and changeMode:boolean for providing edits. It is categorised as a Execute tool in the Gemini CLI MCP Server MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on ask-gemini? +

Register the Gemini CLI MCP Server MCP server in PolicyLayer and add a rule for ask-gemini: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Gemini CLI MCP Server. Nothing to install.

What risk level is ask-gemini? +

ask-gemini is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit ask-gemini? +

Yes. Add a rate_limit block to the ask-gemini rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block ask-gemini completely? +

Set action: deny in the PolicyLayer policy for ask-gemini. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides ask-gemini? +

ask-gemini is provided by the Gemini CLI MCP Server MCP server (orzcls/gemini-mcp-tool-windows-fixed). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Gemini CLI MCP Server tool call.

Start from Gemini CLI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →