payments_create_coupon

Create Coupon

SERVERGhl SOURCE@aiwerk/mcp-server-ghl

Medium RISK CLASS

Category Write

Parameters 125 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aiwerk-mcp-server-ghl/payments-create-coupon.md

WHAT IT DOES

What payments_create_coupon does on Ghl

AI agents use payments_create_coupon to create or update resources in Ghl, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Ghl environment.

Parameter	Type	Required	Description
`code`	string	Yes	Coupon Code
`name`	string	Yes	Coupon Name
`altId`	string	—	Location Id Defaults to GHL_LOCATION_ID when omitted.
`altType`	string	—	Alt Type Defaults to GHL_LOCATION_ID when omitted.
`endDate`	string	—	End date in YYYY-MM-DDTHH:mm:ssZ format
`startDate`	string	Yes	Start date in YYYY-MM-DDTHH:mm:ssZ format
`productIds`	array	—	Product Ids
`usageLimit`	number	—	Max number of times coupon can be used
`discountType`	string	Yes	Discount Type
`discountValue`	number	Yes	Discount Value
`limitPerCustomer`	boolean	—	Limits whether a coupon can be redeemed only once per customer.
`applyToFuturePayments`	boolean	—	Is Coupon applicable on upcoming subscription transactions

Parameters from the server's own tool schema.

RISK

Why payments_create_coupon is rated Medium

An AI agent can call payments_create_coupon faster than any human can review: one bad instruction and it creates or modifies resources in Ghl by the hundred, each call as confident as the last.

Risk signalsAccepts freeform code/query input (code) · High parameter count (16 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs payments_create_coupon safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Ghl, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For payments_create_coupon, this is the rule to start with:

payments_create_coupon Rate-limited

payments_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": {
    "payments_create_coupon": {
      "limits": [
        {
          "counter": "payments_create_coupon_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Ghl, apply this rule, and every payments_create_coupon call is checked against it from then on.

FAQ

Questions about payments_create_coupon

What does the payments_create_coupon tool do? +

Create Coupon. It is categorised as a Write tool in the Ghl MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

What parameters does payments_create_coupon accept? +

payments_create_coupon accepts 12 parameters: code, name, altId, altType, endDate, startDate, productIds, usageLimit, discountType, discountValue, limitPerCustomer, applyToFuturePayments. Required: code, name, startDate, discountType, discountValue. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on payments_create_coupon? +

Register the Ghl MCP server in PolicyLayer and add a rule for payments_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 Ghl. Nothing to install.

What risk level is payments_create_coupon? +

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

Can I rate-limit payments_create_coupon? +

Yes. Add a rate_limit block to the payments_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 payments_create_coupon completely? +

Set action: deny in the PolicyLayer policy for payments_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 payments_create_coupon? +

payments_create_coupon is provided by the Ghl MCP server (@aiwerk/mcp-server-ghl). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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