get_return_list

THE RISK

Low Risk

Why get_return_list needs a policy

This tool retrieves and lists existing return/refund request data without modifying, deleting, or executing any operations. It is a read-only query operation that has no side effects. While the AP2 server context involves financial systems, the tool itself merely queries financial data rather than moving money or committing financial obligations.

From the tool's definition Tool name 'get_return_list' and description 'List return/refund requests' indicate a retrieval operation with 'optionally filtered by status and time window' showing read-only query parameters.

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

POLICY

How to control get_return_list

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_return_list:

policy.json

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

get_return_list 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

Related tools and policies

More Mcp Ap2 tools

Financial authorize_transaction Authorize a transaction (reserve funds without capturing) via Braintree GraphQL authorizeP Financial block_card Block a card temporarily (reversible). Use for lost-card or fraud-suspected flows. Card st Financial cancel_bill Cancel a pending bill Financial cancel_collection Cancel a scheduled collection request Financial cancel_credit Cancel an authorized-but-uncaptured credit payment. Financial cancel_debit Cancel a debit-card payment by Getnet payment_id. Financial cancel_invoice Cancel/void an authorized invoice (FECancel — limited to certain types/conditions) Financial cancel_order Cancel an order, optionally restocking and refunding

All 1300 Mcp Ap2 tools →

Read tools on other servers

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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_return_list

What does the get_return_list tool do? +

List return/refund requests on the shop, optionally filtered by status and time window. 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_return_list? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for get_return_list: 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_return_list? +

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

Can I rate-limit get_return_list? +

Yes. Add a rate_limit block to the get_return_list 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_return_list completely? +

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

get_return_list 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 →