commerce_generate_listing · Commerce- MCP: Risk & Policy

WHAT IT DOES

What commerce_generate_listing does on Commerce-MCP

AI agents use commerce_generate_listing to create or update resources in Commerce-MCP — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Commerce-MCP environment.

WHY IT NEEDS A POLICY

Why commerce_generate_listing needs a policy

The tool name and server context (product management, content generation) indicate this creates or generates product listing data. Generating listings is a Write operation—it creates new content that modifies the commerce system's catalog reversibly.

From the tool's definition Tool name 'commerce_generate_listing' in e-commerce context suggests creating product listings. Description is empty, limiting direct evidence.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

commerce_generate_listing Rate-limited

commerce_generate_listing stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "commerce_generate_listing": {
      "limits": [
        {
          "counter": "commerce_generate_listing_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Commerce-MCP, so you can run agents against it safely.

FAQ

Questions about commerce_generate_listing

What does the commerce_generate_listing tool do? +

commerce_generate_listing. It is categorised as a Write tool in the Commerce-MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on commerce_generate_listing? +

Register the Commerce- MCP server in PolicyLayer and add a rule for commerce_generate_listing: 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 Commerce-MCP. Nothing to install.

What risk level is commerce_generate_listing? +

commerce_generate_listing is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit commerce_generate_listing? +

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

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

commerce_generate_listing is provided by the Commerce- MCP server (sinmb79/commerc-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.