crow_frigate_stats

THE RISK

Low Risk

Why crow_frigate_stats needs a policy

This tool retrieves monitoring and diagnostic information about a Frigate video system. It has no side effects, does not execute commands, does not modify data, and does not perform destructive actions. The data is cached for 30s, further confirming it is a passive read operation. Even if an AI agent misuses it, the only risk is information disclosure about system performance, which is low severity.

From the tool's definition Tool queries and retrieves Frigate system statistics (version, detector inference time, CPU usage per process) with no modification or destructive capability. The description uses "stats" and "query" language indicating a retrieval-only operation.

Documented attack patterns abuse exactly the kind of access crow_frigate_stats gives an agent:

POLICY

How to control crow_frigate_stats

PolicyLayer is an MCP gateway — it sits between your AI agents and Crow, and nothing reaches the server without passing your rules. This is the rule we recommend for crow_frigate_stats:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "crow_frigate_stats": {}
  }
}

crow_frigate_stats is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

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

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about crow_frigate_stats

What does the crow_frigate_stats tool do? +

Frigate system stats: version, detector inference time, CPU usage per process. Cached for 30s. It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crow_frigate_stats? +

Register the Crow MCP server in PolicyLayer and add a rule for crow_frigate_stats: 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 Crow. Nothing to install.

What risk level is crow_frigate_stats? +

crow_frigate_stats is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit crow_frigate_stats? +

Yes. Add a rate_limit block to the crow_frigate_stats 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 crow_frigate_stats completely? +

Set action: deny in the PolicyLayer policy for crow_frigate_stats. 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 crow_frigate_stats? +

crow_frigate_stats is provided by the Crow MCP server (kh0pper/crow). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Crow tool call.

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

CHECK YOUR STACK →