Create a new transaction for an order. Used by payment providers to register payment attempts.
AI agents use tiendanube_create_transaction to commit financial operations through Tienda Nube MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool creates financial transactions associated with orders and is explicitly used by payment providers to register payment attempts. It directly involves financial operations — committing payment records that affect order fulfillment and financial state. Misuse could result in fraudulent payment registrations or financial discrepancies.
From the tool's definition Create a new transaction for an order. Used by payment providers to register payment attempts.
Attacks that exploit this kind of access
Create a new transaction for an order. Used by payment providers to register payment attempts. It is categorised as a Financial tool in the Tienda Nube MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Tienda Nube MCP Server MCP server in PolicyLayer and add a rule for tiendanube_create_transaction: 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 Tienda Nube MCP Server. Nothing to install.
tiendanube_create_transaction is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the tiendanube_create_transaction 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.
Set action: deny in the PolicyLayer policy for tiendanube_create_transaction. 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.
tiendanube_create_transaction is provided by the Tienda Nube MCP Server MCP server (pedrohsguimaraes/nuvem-shop-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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