create_shipment · Trackmage MCP Server MCP: Risk & Policy

WHAT IT DOES

What create_shipment does on Trackmage MCP Server

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

WHY IT NEEDS A POLICY

Why create_shipment needs a policy

The tool creates new shipment records, which is a write operation that modifies the logistics system state. While this has business implications (initiates shipping workflows), it is reversible and does not directly move money or irreversibly delete data.

From the tool's definition Tool name 'create_shipment' and description 'Create a new shipment' indicate creation of new data records in a logistics system. This is a write operation that creates reversible entities (shipments can be updated or deleted).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

create_shipment Rate-limited

create_shipment 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": {
    "create_shipment": {
      "limits": [
        {
          "counter": "create_shipment_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 Trackmage MCP Server, so you can run agents against it safely.

FAQ

Questions about create_shipment

What does the create_shipment tool do? +

Create a new shipment. It is categorised as a Write tool in the Trackmage 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 create_shipment? +

Register the Trackmage MCP Server MCP server in PolicyLayer and add a rule for create_shipment: 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 Trackmage MCP Server. Nothing to install.

What risk level is create_shipment? +

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

Can I rate-limit create_shipment? +

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

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

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