set_user_rating · Mealie MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_user_rating does on Mealie MCP Server

AI agents use set_user_rating to create or update resources in Mealie MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mealie MCP Server environment.

WHY IT NEEDS A POLICY

Why set_user_rating needs a policy

This tool creates new rating records or modifies existing ones in a reversible manner. It operates on user preference metadata (ratings) for recipes, not on destructive deletion, financial transactions, or code execution. The action is recoverable—a rating can be changed or removed.

From the tool's definition Tool name and description: 'set_user_rating' with description 'Create or update one user's rating for a recipe.' The verbs 'Create' and 'update' are explicitly Write operations that modify user preference data reversibly.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_user_rating Rate-limited

set_user_rating stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "set_user_rating": {
      "limits": [
        {
          "counter": "set_user_rating_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about set_user_rating

What does the set_user_rating tool do? +

Create or update one user's rating for a recipe. It is categorised as a Write tool in the Mealie MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_user_rating? +

Register the Mealie MCP Server MCP server in PolicyLayer and add a rule for set_user_rating: 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 Mealie MCP Server. Nothing to install.

What risk level is set_user_rating? +

set_user_rating is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit set_user_rating? +

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

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

set_user_rating is provided by the Mealie MCP Server MCP server (nikopol666/mealie-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.