Reservar para o cliente associado a compra de um item com desconto na loja
AI agents use reservar_pedido_com_desconto to create or update resources in Mercadinho Mercantes Multi-Agent AI Assistant — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mercadinho Mercantes Multi-Agent AI Assistant environment.
This tool creates a reservation (order) for a customer to purchase a discounted item. It writes/creates a new record (reservation/order) in the system. While it involves a discounted price and is a step toward a financial transaction, it is a reservation/commitment rather than an actual payment or money movement, placing it in Write.
From the tool's definition 'Reservar para o cliente associado a compra de um item com desconto na loja' — creates a reservation/order for a discounted item purchase
Attacks that exploit this kind of access
Reservar para o cliente associado a compra de um item com desconto na loja. It is categorised as a Write tool in the Mercadinho Mercantes Multi-Agent AI Assistant MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.
Register the Mercadinho Mercantes Multi-Agent AI Assistant MCP server in PolicyLayer and add a rule for reservar_pedido_com_desconto: 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 Mercadinho Mercantes Multi-Agent AI Assistant. Nothing to install.
reservar_pedido_com_desconto is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.
Yes. Add a rate_limit block to the reservar_pedido_com_desconto 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 reservar_pedido_com_desconto. 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.
reservar_pedido_com_desconto is provided by the Mercadinho Mercantes Multi-Agent AI Assistant MCP server (lennonconstantino/mcp_mercadinho). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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