lemmy_review_reports

THE RISK

Low Risk

Why lemmy_review_reports needs a policy

This tool retrieves and displays existing report data without creating, modifying, deleting, or executing any operations. The read-only nature and administrative access restriction limit the blast radius of misuse. An AI agent could potentially retrieve sensitive moderation data, but cannot alter system state or cause irreversible damage.

From the tool's definition Tool description explicitly states 'List open post + comment reports (admin / mod only). Read-only summary.' The verb 'List' and phrase 'Read-only' confirm retrieval without modification or side effects.

Risk signalsAdmin/system-level operation

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

POLICY

How to control lemmy_review_reports

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 lemmy_review_reports:

policy.json

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

lemmy_review_reports 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 →
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FAQ

Questions about lemmy_review_reports

What does the lemmy_review_reports tool do? +

List open post + comment reports (admin / mod only). Read-only summary. 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 lemmy_review_reports? +

Register the Crow MCP server in PolicyLayer and add a rule for lemmy_review_reports: 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 lemmy_review_reports? +

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

Can I rate-limit lemmy_review_reports? +

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

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

lemmy_review_reports 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.

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