github_create_review_comment

WHAT IT DOES

What github_create_review_comment does on GitHub Code Review Assistant

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

WHY IT NEEDS A POLICY

Why github_create_review_comment needs a policy

Creating review comments on pull requests modifies repository data reversibly—comments can be edited or deleted later. This is a Write-category action. Severity is medium because malicious review comments could spread misinformation about code quality, influence code review outcomes, or harass developers, but the impact is limited to a single PR's comment thread and does not delete data or trigger financial…

From the tool's definition Tool name 'github_create_review_comment' indicates creation of a review comment on a GitHub pull request. The server description states it manages 'review comments', and this tool's name clearly performs a write action (create).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

github_create_review_comment Rate-limited

github_create_review_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_create_review_comment": {
      "limits": [
        {
          "counter": "github_create_review_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 GitHub Code Review Assistant, so you can run agents against it safely.

FAQ

Questions about github_create_review_comment

What does the github_create_review_comment tool do? +

github_create_review_comment. It is categorised as a Write tool in the GitHub Code Review Assistant 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_create_review_comment? +

Register the GitHub Code Review Assistant MCP server in PolicyLayer and add a rule for github_create_review_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 GitHub Code Review Assistant. Nothing to install.

What risk level is github_create_review_comment? +

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

Can I rate-limit github_create_review_comment? +

Yes. Add a rate_limit block to the github_create_review_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_create_review_comment completely? +

Set action: deny in the PolicyLayer policy for github_create_review_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_create_review_comment? +

github_create_review_comment is provided by the GitHub Code Review Assistant MCP server (sanjanaspanda/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.