marketplace_charge

Create a new wallet charge

SERVERGhl SOURCE@aiwerk/mcp-server-ghl

Critical RISK CLASS

Category Financial

Parameters 106 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/aiwerk-mcp-server-ghl/marketplace-charge.md

WHAT IT DOES

What marketplace_charge does on Ghl

AI agents use marketplace_charge to commit financial operations through Ghl, usually the final step of a payment, billing, or trading workflow. A call moves real money.

Parameter	Type	Required	Description
`appId`	string	Yes	App ID of the App
`price`	number	—	Price per unit to charge
`units`	number	Yes	Number of units to charge
`userId`	string	—	User ID
`eventId`	string	Yes	Event ID / Transaction ID on your server's side. This will help you maintain the reference of the event/transaction on your end that you charged the customer fo
`meterId`	string	Yes	Billing Meter ID (you can find this on your app's pricing page)
`companyId`	string	Yes	ID of the Agency the Sub-account belongs to
`eventTime`	string	—	The timestamp when the event/transaction was performed. If blank, the billing timestamp will be set as the event time. ISO8601 Format.
`locationId`	string	—	ID of the Sub-Account to be charged Defaults to GHL_LOCATION_ID when omitted.
`description`	string	Yes	Description of the charge

Parameters from the server's own tool schema.

RISK

Why marketplace_charge is rated Critical

marketplace_charge moves real money, and an autonomous agent will call it with the same confidence it calls a search tool. A misread instruction or an injected prompt is all it takes to drain an account or blow a budget.

Risk signalsHigh parameter count (10 properties)

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs marketplace_charge 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 marketplace_charge, this is the rule to start with:

marketplace_charge Approval-gated

Any call to marketplace_charge is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "marketplace_charge": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about marketplace_charge

What does the marketplace_charge tool do? +

Create a new wallet charge. It is categorised as a Financial tool in the Ghl MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

What parameters does marketplace_charge accept? +

marketplace_charge accepts 10 parameters: appId, price, units, userId, eventId, meterId, companyId, eventTime, locationId, description. Required: appId, units, eventId, meterId, companyId, description. The full parameter table on this page comes from the server's own tool schema.

How do I enforce a policy on marketplace_charge? +

Register the Ghl MCP server in PolicyLayer and add a rule for marketplace_charge: 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 marketplace_charge? +

marketplace_charge is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit marketplace_charge? +

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

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

marketplace_charge 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.

KEEP EXPLORING

More on Ghl, and thousands of servers like it.

This server

All 569 Ghl tools → Critical-risk tools on this server →

Across the catalogue

All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →