compare_revisions · Q1-Reviewer- MCP: Risk & Policy

WHAT IT DOES

What compare_revisions does on Q1-Reviewer-MCP

AI agents invoke compare_revisions to trigger actions in Q1-Reviewer-MCP. What it does depends on the arguments the agent supplies, and its effects often reach beyond the immediate call — builds kicked off, notifications sent, workflows started.

WHY IT NEEDS A POLICY

Why compare_revisions needs a policy

While the empty description limits confidence, the tool's placement alongside manuscript parsing and report generation suggests it performs non-trivial analysis. Comparing revisions could involve executing comparison algorithms, diffing logic, or triggering review workflows.

From the tool's definition Tool name 'compare_revisions' suggests programmatic comparison of document revisions. Given the server context (manuscript review and .docx report generation), this likely involves parsing, analyzing, or transforming manuscript data.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

compare_revisions Rate-limited

compare_revisions stays usable, but rate-capped — a runaway agent can't fire it dozens of times a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "compare_revisions": {
      "limits": [
        {
          "counter": "compare_revisions_rate",
          "window": "minute",
          "max": 10,
          "scope": "grant"
        }
      ]
    }
  }
}

RATE-LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Q1-Reviewer-MCP, so you can run agents against it safely.

FAQ

Questions about compare_revisions

What does the compare_revisions tool do? +

compare_revisions. It is categorised as a Execute tool in the Q1-Reviewer-MCP MCP Server, which means it can trigger actions or run processes. Use rate limits and argument validation.

How do I enforce a policy on compare_revisions? +

Register the Q1-Reviewer- MCP server in PolicyLayer and add a rule for compare_revisions: 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 Q1-Reviewer-MCP. Nothing to install.

What risk level is compare_revisions? +

compare_revisions is a Execute tool with high risk. Execute tools should be rate-limited and have argument validation enabled.

Can I rate-limit compare_revisions? +

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

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

compare_revisions is provided by the Q1-Reviewer- MCP server (muslus/q1-reviewer-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.