purchase_credit_pack · Prowpt MCP Server MCP: Risk & Policy

WHAT IT DOES

What purchase_credit_pack does on Prowpt MCP Server

AI agents use purchase_credit_pack to commit financial operations through Prowpt MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.

WHY IT NEEDS A POLICY

Why purchase_credit_pack needs a policy

This tool initiates a financial transaction by purchasing credits via Stripe. It commits a financial obligation on behalf of the user, making it a Financial category tool. Misuse could result in unauthorized charges, hence critical severity.

From the tool's definition Purchase credits (returns Stripe checkout URL). Minimum 5 credits.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

purchase_credit_pack Approval-gated

Any call to purchase_credit_pack 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": {
    "purchase_credit_pack": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about purchase_credit_pack

What does the purchase_credit_pack tool do? +

Purchase credits (returns Stripe checkout URL). Minimum 5 credits. It is categorised as a Financial tool in the Prowpt MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on purchase_credit_pack? +

Register the Prowpt MCP Server MCP server in PolicyLayer and add a rule for purchase_credit_pack: 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 Prowpt MCP Server. Nothing to install.

What risk level is purchase_credit_pack? +

purchase_credit_pack 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 purchase_credit_pack? +

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

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

purchase_credit_pack is provided by the Prowpt MCP Server MCP server (prowptai/prowpt-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.