cf_list_zones · Cargoshipper MCP: Risk & Policy

WHAT IT DOES

What cf_list_zones does on Cargoshipper

AI agents call cf_list_zones to retrieve information from Cargoshipper without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why cf_list_zones needs a policy

This tool retrieves or lists existing CloudFlare zones, which is a read-only operation with no side effects. It does not create, modify, delete, or execute any actions—it simply queries and returns zone data. The low severity reflects minimal blast radius even if misused by an agent.

From the tool's definition Tool name 'cf_list_zones' and description 'List CloudFlare zones' indicate a query operation that retrieves zone information without modifying or deleting data.

Attacks that exploit this kind of access

Questions about cf_list_zones

What does the cf_list_zones tool do? +

List CloudFlare zones. It is categorised as a Read tool in the Cargoshipper MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on cf_list_zones? +

Register the Cargoshipper MCP server in PolicyLayer and add a rule for cf_list_zones: 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 Cargoshipper. Nothing to install.

What risk level is cf_list_zones? +

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

Can I rate-limit cf_list_zones? +

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

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

cf_list_zones is provided by the Cargoshipper MCP server (scarr7981/cargoshipper-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.