apply_discount_code · Stevia Store MCP Server MCP

WHAT IT DOES

What apply_discount_code does on Stevia Store MCP Server

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

WHY IT NEEDS A POLICY

Why apply_discount_code needs a policy

This tool modifies data reversibly—it applies a discount code to an order or cart, changing prices and financial values. While it involves money, it does not move money between accounts or create binding financial obligations; it merely adjusts prices within an existing transaction workflow. This is a Write operation (modification of order/cart state).

From the tool's definition Tool name is 'apply_discount_code' and appears in an e-commerce context (Stevia Store MCP Server). The Hebrew description '🎫 הפעלת קוד הנחה' translates to 'Apply discount code'.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

apply_discount_code Rate-limited

apply_discount_code 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": {
    "apply_discount_code": {
      "limits": [
        {
          "counter": "apply_discount_code_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 Stevia Store MCP Server, so you can run agents against it safely.

FAQ

Questions about apply_discount_code

What does the apply_discount_code tool do? +

🎫 הפעלת קוד הנחה. It is categorised as a Write tool in the Stevia Store 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 apply_discount_code? +

Register the Stevia Store MCP Server MCP server in PolicyLayer and add a rule for apply_discount_code: 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 Stevia Store MCP Server. Nothing to install.

What risk level is apply_discount_code? +

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

Can I rate-limit apply_discount_code? +

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

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

apply_discount_code is provided by the Stevia Store MCP Server MCP server (yairbarak22/mcpserverstevia). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.