List product catalogs owned by a Business. Returns id, name, vertical, product_count and feed_count per catalog. Read-only.
AI agents call list_product_catalogs to retrieve information from Claude Meta without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves catalog metadata without creating, modifying, deleting, executing code, or moving money. The explicit 'Read-only' designation and the retrieval-only nature of listing catalogs confirms it is a simple query operation with minimal risk.
From the tool's definition Tool name 'list_product_catalogs' and description explicitly states 'Read-only' and 'Returns id, name, vertical, product_count and feed_count per catalog' with no modification capability.
Attacks that exploit this kind of access
List product catalogs owned by a Business. Returns id, name, vertical, product_count and feed_count per catalog. Read-only. It is categorised as a Read tool in the Claude Meta MCP Server, which means it retrieves data without modifying state.
Register the Claude Meta MCP server in PolicyLayer and add a rule for list_product_catalogs: 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 Meta. Nothing to install.
list_product_catalogs is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_product_catalogs 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.
Set action: deny in the PolicyLayer policy for list_product_catalogs. 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.
list_product_catalogs is provided by the Claude Meta MCP server (maxx3250/claude-meta-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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