gists_is_starred

THE RISK

Low Risk

Why gists_is_starred needs a policy

This tool performs a read-only check operation. It retrieves information about whether a gist has been starred by the authenticated user. There are no side effects, no data modification, and no irreversible actions. The operation is purely informational and fits the Read category (retrieves or queries data; no side effects).

From the tool's definition Tool name 'gists_is_starred' and description 'Check if a gist is starred' indicate a query operation that retrieves the starred status of a gist without modifying any data.

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

POLICY

How to control gists_is_starred

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

policy.json

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

gists_is_starred 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 TypeSpec MCP Server — 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

Related tools and policies

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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 gists_is_starred

What does the gists_is_starred tool do? +

Check if a gist is starred. It is categorised as a Read tool in the TypeSpec MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on gists_is_starred? +

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

What risk level is gists_is_starred? +

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

Can I rate-limit gists_is_starred? +

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

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

gists_is_starred is provided by the TypeSpec MCP Server MCP server (microsoft/typespec-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every TypeSpec MCP Server tool call.

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

CHECK YOUR STACK →