cf_update_zone_setting · Cargoshipper MCP: Risk & Policy

WHAT IT DOES

What cf_update_zone_setting does on Cargoshipper

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

WHY IT NEEDS A POLICY

Why cf_update_zone_setting needs a policy

This tool modifies zone settings (DNS configuration, security policies, performance rules, etc.) in CloudFlare. Updates are reversible (unlike deletions), placing it in Write rather than Destructive. However, severity is high because misconfigured zone settings could disrupt DNS resolution, disable security features, or degrade service availability across all domains in the zone.

From the tool's definition Tool name contains 'update' and description states 'Update a specific zone setting' — modifies configuration data for DNS zones in CloudFlare.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

cf_update_zone_setting Rate-limited

cf_update_zone_setting 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": {
    "cf_update_zone_setting": {
      "limits": [
        {
          "counter": "cf_update_zone_setting_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 Cargoshipper, so you can run agents against it safely.

FAQ

Questions about cf_update_zone_setting

What does the cf_update_zone_setting tool do? +

Update a specific zone setting. It is categorised as a Write tool in the Cargoshipper MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on cf_update_zone_setting? +

Register the Cargoshipper MCP server in PolicyLayer and add a rule for cf_update_zone_setting: 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_update_zone_setting? +

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

Can I rate-limit cf_update_zone_setting? +

Yes. Add a rate_limit block to the cf_update_zone_setting 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_update_zone_setting completely? +

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

cf_update_zone_setting 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.