reply_and_resolve · PR Review MCP Server MCP: Risk & Policy

WHAT IT DOES

What reply_and_resolve does on PR Review MCP Server

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

WHY IT NEEDS A POLICY

Why reply_and_resolve needs a policy

This tool creates a reply (Write) and marks a thread as resolved (Write). Both actions are reversible—comments can be edited or deleted, and threads can be reopened. The blast radius is medium: misuse could spam PRs with incorrect replies or prematurely resolve important review threads, disrupting code review workflows, but no data is permanently destroyed and the effects can be undone.

From the tool's definition Tool description states it 'Reply to a review thread and immediately resolve it'. The action of replying creates/modifies data (a review comment reply) reversibly within GitHub.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

reply_and_resolve Rate-limited

reply_and_resolve 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": {
    "reply_and_resolve": {
      "limits": [
        {
          "counter": "reply_and_resolve_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 PR Review MCP Server, so you can run agents against it safely.

FAQ

Questions about reply_and_resolve

What does the reply_and_resolve tool do? +

Reply to a review thread and immediately resolve it. It is categorised as a Write tool in the PR Review 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 reply_and_resolve? +

Register the PR Review MCP Server MCP server in PolicyLayer and add a rule for reply_and_resolve: 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 PR Review MCP Server. Nothing to install.

What risk level is reply_and_resolve? +

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

Can I rate-limit reply_and_resolve? +

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

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

reply_and_resolve is provided by the PR Review MCP Server MCP server (utakatakyosui/pr-review-resolve-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.