disable_stored_payment_method

THE RISK

Medium Risk

Why disable_stored_payment_method needs a policy

This tool removes/disables a stored payment method, which is a data modification action. Although 'delete' appears in the description, the context (shopper opt-out, AFIP invoicing platform) indicates this is a user-initiated data removal that disables future use but does not permanently destroy underlying transaction history or financial accounts.

From the tool's definition Tool description states 'Delete a stored payment method' — a reversible removal of stored payment data rather than irreversible destruction of critical financial records. The shopper retains the ability to re-add payment methods.

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

POLICY

How to control disable_stored_payment_method

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 disable_stored_payment_method:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "disable_stored_payment_method": {
      "limits": [
        {
          "counter": "disable_stored_payment_method_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

disable_stored_payment_method 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.

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

LIMIT THIS TOOL →

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EXPLORE

Related tools and policies

More Mcp Afip tools

Financial authorize_transaction Authorize a transaction (reserve funds without capturing) via Braintree GraphQL authorizeP Financial cancel_collection Cancel a scheduled collection request Financial cancel_credit Cancel an authorized-but-uncaptured credit payment. Financial cancel_payment Attempt to cancel a payment that has not yet settled. Iniciador endpoint: POST /payments/{ Financial cancel_payment_intent Cancel a payment intent that has not yet been captured. Fails on already-captured intents; Financial cancel_recurrence Cancel an active recurrence. Future charges will stop; already-charged cycles are untouche Financial cancel_subscription Cancel a subscription by ID Financial revoke_token Revoke an issued access_token or refresh_token at POST /v1/token/revoke. Use to terminate

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about disable_stored_payment_method

What does the disable_stored_payment_method tool do? +

Delete a stored payment method (shopper opt-out). It is categorised as a Write tool in the Mcp Afip MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on disable_stored_payment_method? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for disable_stored_payment_method: 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 disable_stored_payment_method? +

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

Can I rate-limit disable_stored_payment_method? +

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

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

disable_stored_payment_method 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.

Enforce policy on every Mcp Afip tool call.

Start from Mcp Afip, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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