list_pull_requests · Claude TypeScript MCP Servers MCP

WHAT IT DOES

What list_pull_requests does on Claude TypeScript MCP Servers

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

THE RISK

Low Risk

Why list_pull_requests needs a policy

This tool retrieves information about pull requests from a repository. It performs a query operation that does not create, modify, execute code, delete, or initiate financial transactions. While it provides visibility into repository state, it poses minimal security risk as it only retrieves existing data without side effects.

From the tool's definition Tool is named 'list_pull_requests' and described as 'List and filter repository pull requests'. The verb 'list' and the read-only action of filtering/viewing existing pull requests indicates retrieval without modification or side effects.

Documented attack patterns abuse exactly the kind of access list_pull_requests gives an agent:

POLICY

How to control list_pull_requests

PolicyLayer is an MCP gateway — it sits between your AI agents and Claude TypeScript MCP Servers, and nothing reaches the server without passing your rules. This is the rule we recommend for list_pull_requests:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_pull_requests": {}
  }
}

list_pull_requests is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Claude TypeScript MCP Servers — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_pull_requests

What does the list_pull_requests tool do? +

List and filter repository pull requests. It is categorised as a Read tool in the Claude TypeScript MCP Servers MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_pull_requests? +

Register the Claude TypeScript MCP Servers MCP server in PolicyLayer and add a rule for list_pull_requests: 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 Claude TypeScript MCP Servers. Nothing to install.

What risk level is list_pull_requests? +

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

Can I rate-limit list_pull_requests? +

Yes. Add a rate_limit block to the list_pull_requests 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_pull_requests completely? +

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

list_pull_requests is provided by the Claude TypeScript MCP Servers MCP server (ukkz/claude-ts-mcps). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Claude TypeScript MCP Servers tool call.

Start from Claude TypeScript MCP Servers, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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84 Claude TypeScript MCP Servers tools catalogued and risk-classified — across an index of 43,000+ MCP servers.