meta_list_products

ServerMeta MCP Server
CategoryRead

WHAT IT DOES

What meta_list_products does on Meta MCP Server

AI agents call meta_list_products to retrieve information from Meta MCP Server 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 meta_list_products needs a policy

This tool retrieves or queries product data from a catalog without creating, modifying, deleting, or executing any operations. It is a straightforward read operation with no side effects. Severity is low because listing catalog data carries minimal risk of misuse—an agent cannot cause harm by listing products unless they subsequently use the data to perform a harmful action via another tool.

From the tool's definition Tool name is 'meta_list_products' and description states 'Lists products in a product catalog.' The arguments (catalog_id, limit, after, filter) are all query/retrieval parameters with no mutation or side-effect indicators.

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

POLICY

How to control meta_list_products

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

policy.json

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

meta_list_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 Meta 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

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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 →
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FAQ

Questions about meta_list_products

What does the meta_list_products tool do? +

Lists products in a product catalog. Args: - catalog_id (string): The catalog ID - limit (number): Max results (1–100, default 25) - after (string, optional): Pagination cursor - filter (object, optional): Filter criteria (e.g., { availability:. It is categorised as a Read tool in the Meta MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on meta_list_products? +

Register the Meta MCP Server MCP server in PolicyLayer and add a rule for meta_list_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 Meta MCP Server. Nothing to install.

What risk level is meta_list_products? +

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

Can I rate-limit meta_list_products? +

Yes. Add a rate_limit block to the meta_list_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 meta_list_products completely? +

Set action: deny in the PolicyLayer policy for meta_list_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 meta_list_products? +

meta_list_products is provided by the Meta MCP Server MCP server (oliverames/meta-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 Meta MCP Server tool call.

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

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