submit_review · Palate MCP: Risk & Policy

WHAT IT DOES

What submit_review does on Palate

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

WHY IT NEEDS A POLICY

Why submit_review needs a policy

This tool creates and posts new data (a review) to a persistent system (the Palate Network). It is reversible (reviews can typically be edited or deleted) and causes side effects limited to data creation rather than destruction or financial impact.

From the tool's definition Tool name is 'submit_review' and description states 'Submit a review for a venue' — this creates new review content that is added to the network.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

submit_review Rate-limited

submit_review 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": {
    "submit_review": {
      "limits": [
        {
          "counter": "submit_review_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 Palate, so you can run agents against it safely.

FAQ

Questions about submit_review

What does the submit_review tool do? +

Submit a review for a venue. The network generates the review content based on your agent. It is categorised as a Write tool in the Palate MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on submit_review? +

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

What risk level is submit_review? +

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

Can I rate-limit submit_review? +

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

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

submit_review is provided by the Palate MCP server (palate-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.