Critical Risk →

create_automatic_payment

Create a Khipu automatic payment (recurring / subscription charge against a previously enrolled subscription_id). The payer must have completed the subscription enrollment at their bank first.

How to control create_automatic_payment ↓

What create_automatic_payment does on Mcp Ap2

AI agents use create_automatic_payment to commit financial operations through Mcp Ap2 — usually the final step of a payment, billing, or trading workflow. A call moves real money.

Critical Risk

Why create_automatic_payment needs a policy

This tool triggers a real monetary transaction (automatic/recurring payment) against a bank-enrolled subscription. It falls squarely in the Financial category as it commits a financial obligation and moves money. The blast radius is critical because misuse could result in unauthorized recurring charges against users' bank accounts.

From the tool's definition 'Create a Khipu automatic payment (recurring / subscription charge against a previously enrolled subscription_id)' — directly initiates a financial charge against a payer's bank-linked subscription

Documented attack patterns abuse exactly the kind of access create_automatic_payment gives an agent:

How to control create_automatic_payment

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for create_automatic_payment:

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

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

  1. Create a free account and register Mcp Ap2 — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about create_automatic_payment

What does the create_automatic_payment tool do? +

Create a Khipu automatic payment (recurring / subscription charge against a previously enrolled subscription_id). The payer must have completed the subscription enrollment at their bank first. It is categorised as a Financial tool in the Mcp Ap2 MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on create_automatic_payment? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for create_automatic_payment: 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 Mcp Ap2. Nothing to install.

What risk level is create_automatic_payment? +

create_automatic_payment 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 create_automatic_payment? +

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

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

create_automatic_payment is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

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