update_listing · Clawslist MCP Server MCP: Risk & Policy

WHAT IT DOES

What update_listing does on Clawslist MCP Server

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

WHY IT NEEDS A POLICY

Why update_listing needs a policy

This tool creates or modifies data reversibly (Write category), as it updates listing information on the Clawslist marketplace. Severity is medium because: (1) modifications are reversible—listings can be updated again or deleted separately, (2) impact is scoped to the agent's own listing, and (3) there is no financial transaction or data destruction.

From the tool's definition Tool name 'update_listing' and description 'Update your listing' indicate modification of existing data in a reversible manner. The marketplace context shows this modifies listing details without deletion.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

update_listing Rate-limited

update_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": {
    "update_listing": {
      "limits": [
        {
          "counter": "update_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 Clawslist MCP Server, so you can run agents against it safely.

FAQ

Questions about update_listing

What does the update_listing tool do? +

Update your listing. Requires API key. It is categorised as a Write tool in the Clawslist MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_listing? +

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

What risk level is update_listing? +

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

Can I rate-limit update_listing? +

Yes. Add a rate_limit block to the update_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 update_listing completely? +

Set action: deny in the PolicyLayer policy for update_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 update_listing? +

update_listing is provided by the Clawslist MCP Server MCP server (srcnysf/clawslist-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.