get_tracking_number

THE RISK

Low Risk

Why get_tracking_number needs a policy

This tool retrieves publicly available order tracking information. It performs a read-only query operation that has no side effects, does not modify data, and does not execute external operations or commit financial obligations. The data retrieved (tracking number and courier info) is typically non-sensitive or already disclosed to customers.

From the tool's definition Tool name 'get_tracking_number' and description 'Get the tracking number (and courier info when available) for a shipped order' indicate a retrieval operation with no modification or financial impact.

Documented attack patterns abuse exactly the kind of access get_tracking_number gives an agent:

POLICY

How to control get_tracking_number

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for get_tracking_number:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_tracking_number": {}
  }
}

get_tracking_number is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Mcp Ap2 — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about get_tracking_number

What does the get_tracking_number tool do? +

Get the tracking number (and courier info when available) for a shipped order. It is categorised as a Read tool in the Mcp Ap2 MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_tracking_number? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for get_tracking_number: 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 Mcp Ap2. Nothing to install.

What risk level is get_tracking_number? +

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

Can I rate-limit get_tracking_number? +

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

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

get_tracking_number is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →