github_review_submit_comment · Promethean OS MCP

WHAT IT DOES

What github_review_submit_comment does on Promethean OS MCP

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

WHY IT NEEDS A POLICY

Why github_review_submit_comment needs a policy

This tool creates new content (a comment) on GitHub without permanently destroying data or executing arbitrary code. Comments are reversible—they can be edited, deleted, or otherwise managed by repository maintainers.

From the tool's definition Tool name and description explicitly indicate it 'Submit an issue-level comment on a pull request' — this creates new data (a comment) on GitHub in a reversible manner (comments can be edited or deleted).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

github_review_submit_comment Rate-limited

github_review_submit_comment 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": {
    "github_review_submit_comment": {
      "limits": [
        {
          "counter": "github_review_submit_comment_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 Promethean OS MCP, so you can run agents against it safely.

FAQ

Questions about github_review_submit_comment

What does the github_review_submit_comment tool do? +

Submit an issue-level comment on a pull request. It is categorised as a Write tool in the Promethean OS MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on github_review_submit_comment? +

Register the Promethean OS MCP server in PolicyLayer and add a rule for github_review_submit_comment: 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 Promethean OS MCP. Nothing to install.

What risk level is github_review_submit_comment? +

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

Can I rate-limit github_review_submit_comment? +

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

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

github_review_submit_comment is provided by the Promethean OS MCP server (octave-commons/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.