Most recent Frigate event for a label, across all cameras (unless a camera is given).
AI agents call crow_frigate_latest_by_label to retrieve information from Crow without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a data retrieval tool that fetches information about video surveillance events from Frigate (a video object detection system). It retrieves existing data with no side effects, no modifications, and no ability to trigger actions or delete data. The optional camera filter parameter does not change the read-only nature of the operation.
From the tool's definition Tool queries the 'most recent Frigate event for a label' - a retrieval operation that accesses historical event data without modifying, deleting, or executing external operations.
Documented attack patterns abuse exactly the kind of access crow_frigate_latest_by_label gives an agent:
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_latest_by_label:
{
"version": "1",
"default": "deny",
"tools": {
"crow_frigate_latest_by_label": {}
}
}crow_frigate_latest_by_label is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Most recent Frigate event for a label, across all cameras (unless a camera is given). It is categorised as a Read tool in the Crow MCP Server, which means it retrieves data without modifying state.
Register the Crow MCP server in PolicyLayer and add a rule for crow_frigate_latest_by_label: 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.
crow_frigate_latest_by_label is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the crow_frigate_latest_by_label 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.
Set action: deny in the PolicyLayer policy for crow_frigate_latest_by_label. 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.
crow_frigate_latest_by_label 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.
Start from Crow, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
576 Crow tools catalogued and risk-classified — across an index of 43,000+ MCP servers.