tiendanube_create_coupon · Tienda Nube MCP Server MCP

WHAT IT DOES

What tiendanube_create_coupon does on Tienda Nube MCP Server

AI agents use tiendanube_create_coupon to create or update resources in Tienda Nube MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Tienda Nube MCP Server environment.

WHY IT NEEDS A POLICY

Why tiendanube_create_coupon needs a policy

The tool creates new coupon records in the Tienda Nube system, which is a Write operation (creates/modifies data reversibly). While coupons affect pricing and revenue indirectly through discounts, they are not direct financial transactions—the actual money movement occurs at checkout/payment.

From the tool's definition Tool description states "CREATE NEW COUPON" and "Create promotional discount coupons". The tool creates new marketing entities (coupons) with configurable properties like discount amounts, usage limits, and validity periods.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

tiendanube_create_coupon Rate-limited

tiendanube_create_coupon stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "tiendanube_create_coupon": {
      "limits": [
        {
          "counter": "tiendanube_create_coupon_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Tienda Nube MCP Server, so you can run agents against it safely.

FAQ

Questions about tiendanube_create_coupon

What does the tiendanube_create_coupon tool do? +

➕ CREATE NEW COUPON - Create promotional discount coupons for marketing campaigns and customer incentives. Use this for launching sales, customer retention, first-time buyer discounts, and seasonal promotions. Supports percentage or fixed amount discounts, usage limits, validity periods, minimum order values, and product/category restrictions. Powerful tool for driving sales and customer engagement. It is categorised as a Write tool in the Tienda Nube MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on tiendanube_create_coupon? +

Register the Tienda Nube MCP Server MCP server in PolicyLayer and add a rule for tiendanube_create_coupon: 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.

What risk level is tiendanube_create_coupon? +

tiendanube_create_coupon is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit tiendanube_create_coupon? +

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

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

tiendanube_create_coupon 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.