authorize_recurring_charge

THE RISK

Critical Risk

Why authorize_recurring_charge needs a policy

This tool authorizes recurring charges, which moves money or commits ongoing financial obligations on behalf of a user. This is a financial operation that could result in repeated unauthorized charges if misused by an AI agent. The 'critical' severity reflects the potential for continuous financial harm through repeated charges, and the irreversible nature of authorization agreements.

From the tool's definition Tool name 'authorize_recurring_charge' and description 'Authorize a recurring charge agreement against a Nequi user' explicitly involve committing financial obligations through recurring payments.

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

POLICY

How to control authorize_recurring_charge

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_recurring_charge:

policy.json

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

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

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EXPLORE

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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_recurring_charge

What does the authorize_recurring_charge tool do? +

Authorize a recurring charge agreement against a Nequi user. 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_recurring_charge? +

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

authorize_recurring_charge 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_recurring_charge? +

Yes. Add a rate_limit block to the authorize_recurring_charge 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_recurring_charge completely? +

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

authorize_recurring_charge 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.

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