get_pull_request · Helm Chart CLI MCP: Risk & Policy

WHAT IT DOES

What get_pull_request does on Helm Chart CLI

AI agents call get_pull_request to retrieve information from Helm Chart CLI 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 get_pull_request needs a policy

This tool retrieves and queries pull request data with no side effects. It is a straightforward read operation that returns information about a pull request without creating, modifying, deleting, or executing anything. The low severity reflects minimal blast radius if misused by an AI agent—viewing pull request details poses no meaningful risk.

From the tool's definition Tool name 'get_pull_request' and description 'Get details of a specific pull request' indicate retrieval of pull request metadata without modification or execution of code.

Attacks that exploit this kind of access

Questions about get_pull_request

What does the get_pull_request tool do? +

Get details of a specific pull request. It is categorised as a Read tool in the Helm Chart CLI MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_pull_request? +

Register the Helm Chart CLI MCP server in PolicyLayer and add a rule for get_pull_request: 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 Helm Chart CLI. Nothing to install.

What risk level is get_pull_request? +

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

Can I rate-limit get_pull_request? +

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

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

get_pull_request is provided by the Helm Chart CLI MCP server (jeff-nasseri/servers). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.