create_pr_for_thread · Yocoolab MCP: Risk & Policy

WHAT IT DOES

What create_pr_for_thread does on Yocoolab

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

WHY IT NEEDS A POLICY

Why create_pr_for_thread needs a policy

This tool creates or modifies a GitHub pull request and adds commits to a branch — both reversible write operations. While it affects a codebase and could introduce unwanted changes, PRs are not merged automatically and can be reviewed/closed, keeping this short of Destructive.

From the tool's definition Create a GitHub pull request (or add a commit to the existing working branch) with code changes that address a feedback thread

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_pr_for_thread Rate-limited

create_pr_for_thread 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": {
    "create_pr_for_thread": {
      "limits": [
        {
          "counter": "create_pr_for_thread_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 Yocoolab, so you can run agents against it safely.

FAQ

Questions about create_pr_for_thread

What does the create_pr_for_thread tool do? +

Create a GitHub pull request (or add a commit to the existing working branch) with code changes that address a feedback thread. All fixes for a repo accumulate on a single working branch with one PR. It is categorised as a Write tool in the Yocoolab MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on create_pr_for_thread? +

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

What risk level is create_pr_for_thread? +

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

Can I rate-limit create_pr_for_thread? +

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

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

create_pr_for_thread is provided by the Yocoolab MCP server (yocoolab/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.