async_tool · Simple Code Review Assistant MCP: Risk & Policy

WHAT IT DOES

What async_tool does on Simple Code Review Assistant

AI agents call async_tool as a supporting operation in Simple Code Review Assistant workflows.

WHY IT NEEDS A POLICY

Why async_tool needs a policy

The description is completely empty and the name 'async_tool' is generic and uninformative. Based on the server context (GitHub repo access and local doc search), sibling tools suggest Read operations, but without any evidence of what this tool does, it cannot be confidently classified. Defaulting to Other with very low confidence.

From the tool's definition Tool name is 'async_tool' with an empty description. No information about what the tool does is available.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

async_tool Rate-limited

async_tool gets a rate cap, and everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "async_tool": {
      "limits": [
        {
          "counter": "async_tool_rate",
          "window": "minute",
          "max": 60,
          "scope": "grant"
        }
      ]
    }
  }
}

SET A RULE FOR THIS TOOL →

Instant setup, no code required.

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

FAQ

Questions about async_tool

What does the async_tool tool do? +

async_tool. It is categorised as a Other tool in the Simple Code Review Assistant MCP Server, which means it performs auxiliary operations.

How do I enforce a policy on async_tool? +

Register the Simple Code Review Assistant MCP server in PolicyLayer and add a rule for async_tool: 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 Simple Code Review Assistant. Nothing to install.

What risk level is async_tool? +

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

Can I rate-limit async_tool? +

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

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

async_tool is provided by the Simple Code Review Assistant MCP server (sharath-ts-07/mcpassignment). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.