list_pr_reviews · GitHub MCP Server MCP: Risk & Policy

WHAT IT DOES

What list_pr_reviews does on GitHub MCP Server

AI agents call list_pr_reviews to retrieve information from GitHub MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why list_pr_reviews needs a policy

The tool name 'list_pr_reviews' clearly indicates a query/retrieval function that lists pull request reviews. This is a Read operation as it retrieves data without modifying or deleting anything. The sibling tools show a pattern where retrieval operations use 'list_' or 'get_' prefixes, while modifications use 'create_' or 'add_' prefixes.

From the tool's definition Tool name 'list_pr_reviews' indicates a retrieval operation that queries pull request reviews. The 'list_' prefix is consistent with Read operations (search, list, get, fetch).

Attacks that exploit this kind of access

Questions about list_pr_reviews

What does the list_pr_reviews tool do? +

list_pr_reviews. It is categorised as a Read tool in the GitHub MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_pr_reviews? +

Register the GitHub MCP Server MCP server in PolicyLayer and add a rule for list_pr_reviews: 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 MCP Server. Nothing to install.

What risk level is list_pr_reviews? +

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

Can I rate-limit list_pr_reviews? +

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

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

list_pr_reviews is provided by the GitHub MCP Server MCP server (software-engineer-mj/github-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.