list_issues · Claude TypeScript MCP Servers MCP

WHAT IT DOES

What list_issues does on Claude TypeScript MCP Servers

AI agents call list_issues 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_issues needs a policy

This tool retrieves and lists existing GitHub issues with optional filtering. It performs a read-only query against a repository's issue data without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal—at worst, an AI agent could retrieve sensitive issue content, but no data would be altered or operations triggered.

From the tool's definition Tool name 'list_issues' and description 'List issues in a GitHub repository with filtering options' indicate a query/retrieval operation with no side effects.

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

POLICY

How to control list_issues

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_issues:

policy.json

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

list_issues 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 →

Free to start. No card required.

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_issues

What does the list_issues tool do? +

List issues in a GitHub repository with filtering options. 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_issues? +

Register the Claude TypeScript MCP Servers MCP server in PolicyLayer and add a rule for list_issues: 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_issues? +

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

Can I rate-limit list_issues? +

Yes. Add a rate_limit block to the list_issues 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_issues completely? +

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

list_issues 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.

CHECK YOUR STACK →

Free to start. No card required.

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