Critical Risk →

confirm_payment_intent

Confirm a previously-created payment intent with a payment method. For card intents this triggers authorization; for APM intents this returns a next_action (redirect, QR, etc).

How to control confirm_payment_intent ↓

What confirm_payment_intent does on Mcp Afip

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

Critical Risk

Why confirm_payment_intent needs a policy

This tool finalizes a payment by confirming a payment intent and triggering card authorization or APM flows, directly committing financial obligations. Misuse could result in unauthorized charges or financial transactions.

From the tool's definition 'Confirm a previously-created payment intent with a payment method' and 'triggers authorization'

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

How to control confirm_payment_intent

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

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

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

  1. Create a free account and register Mcp Afip — 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 confirm_payment_intent

What does the confirm_payment_intent tool do? +

Confirm a previously-created payment intent with a payment method. For card intents this triggers authorization; for APM intents this returns a next_action (redirect, QR, etc). It is categorised as a Financial tool in the Mcp Afip MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on confirm_payment_intent? +

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

What risk level is confirm_payment_intent? +

confirm_payment_intent 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 confirm_payment_intent? +

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

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

confirm_payment_intent is provided by the Mcp Afip MCP server (codespar/mcp-dev-latam). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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