consult_gemini · Gemini Cli Mcp Slim MCP: Risk & Policy

WHAT IT DOES

What consult_gemini does on Gemini Cli Mcp Slim

AI agents invoke consult_gemini to trigger actions in Gemini Cli Mcp Slim. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why consult_gemini needs a policy

This tool runs external CLI invocations (Gemini CLI) with user-supplied arguments and supports unknown/forward-compatible flags. This is Execute rather than Read because it triggers external operations whose effects depend on arguments.

From the tool's definition Tool description states 'Run a single Gemini CLI invocation' with 'forward-compatible: unknown CLI flags can be' — indicating execution of arbitrary CLI commands with potentially unbounded flag support.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

consult_gemini Rate-limited

consult_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.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "consult_gemini": {
      "limits": [
        {
          "counter": "consult_gemini_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Gemini Cli Mcp Slim, so you can run agents against it safely.

FAQ

Questions about consult_gemini

What does the consult_gemini tool do? +

Run a single Gemini CLI invocation. Forward-compatible: unknown CLI flags can be. It is categorised as a Execute tool in the Gemini Cli Mcp Slim MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on consult_gemini? +

Register the Gemini Cli Mcp Slim MCP server in PolicyLayer and add a rule for consult_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 Slim. Nothing to install.

What risk level is consult_gemini? +

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

Can I rate-limit consult_gemini? +

Yes. Add a rate_limit block to the consult_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 consult_gemini completely? +

Set action: deny in the PolicyLayer policy for consult_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 consult_gemini? +

consult_gemini is provided by the Gemini Cli Mcp Slim MCP server (tksfjt1024/gemini-cli-mcp-slim). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.