authorize_credit

THE RISK

Critical Risk

Why authorize_credit needs a policy

This tool directly initiates a credit-card payment authorization, which constitutes a financial commitment. Whether capturing immediately or only authorizing, it triggers real financial operations against a payment network. Misuse could result in unauthorized charges or financial fraud, warranting critical severity.

From the tool's definition Authorize a credit-card payment on Getnet. Set delayed=false to authorize+capture atomically; delayed=true to authorize only

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

POLICY

How to control authorize_credit

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 authorize_credit:

policy.json

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

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

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Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

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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

Critical-risk tools in Mcp Afip → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about authorize_credit

What does the authorize_credit tool do? +

Authorize a credit-card payment on Getnet. Set delayed=false to authorize+capture atomically; delayed=true to authorize only (use capture_credit later). 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 authorize_credit? +

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

authorize_credit 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 authorize_credit? +

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

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

authorize_credit 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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