🎫 LIST ALL COUPONS - Retrieve a comprehensive list of discount coupons with advanced filtering options. Use this for promotional campaign management, coupon analytics, expired coupon cleanup, and marketing strategy analysis. Supports filtering by code, discount type (percentage/fixed), validity ...
AI agents call tiendanube_list_coupons to retrieve information from Tienda Nube MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries coupon data with no side effects. It performs filtering and analysis on existing coupons but does not create, modify, delete, or execute any operations that would change system state. The blast radius if misused is minimal—an agent could only over-retrieve coupon data or perform unauthorized analysis, not cause financial harm or data loss.
From the tool's definition Tool name is 'list_coupons' and description states 'Retrieve a comprehensive list of discount coupons with advanced filtering options'. The verb 'retrieve' and 'list' indicate data retrieval without modification.
Attacks that exploit this kind of access
🎫 LIST ALL COUPONS - Retrieve a comprehensive list of discount coupons with advanced filtering options. Use this for promotional campaign management, coupon analytics, expired coupon cleanup, and marketing strategy analysis. Supports filtering by code, discount type (percentage/fixed), validity status, date ranges, and usage statistics. Essential for e-commerce marketing and sales optimization. It is categorised as a Read tool in the Tienda Nube MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tienda Nube MCP Server MCP server in PolicyLayer and add a rule for tiendanube_list_coupons: 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_list_coupons is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the tiendanube_list_coupons 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_list_coupons. 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_list_coupons 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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