get_category_products

THE RISK

Low Risk

Why get_category_products needs a policy

This tool retrieves product information from a category without creating, modifying, deleting, or executing any operations. It is a simple read-only query operation with minimal blast radius—worst case being incomplete or incorrect product data returned to a user.

From the tool's definition Tool description states 'Browse all products within a specific category' and 'exploring all options in a product type'. The verb 'browse' and the context of querying a product catalog clearly indicate data retrieval without modification.

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

POLICY

How to control get_category_products

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

policy.json

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

get_category_products 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 CoolPC 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 →

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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 get_category_products

What does the get_category_products tool do? +

Browse all products within a specific category. Useful for exploring all options in a product type when you don. It is categorised as a Read tool in the CoolPC MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_category_products? +

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

What risk level is get_category_products? +

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

Can I rate-limit get_category_products? +

Yes. Add a rate_limit block to the get_category_products 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_category_products completely? +

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

get_category_products is provided by the CoolPC MCP Server MCP server (shyuan/coolpc-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every CoolPC MCP Server tool call.

Start from CoolPC 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 →