resolve_charge

THE RISK

Critical Risk

Why resolve_charge needs a policy

This tool directly alters the financial status of a charge, marking it as paid without actual payment being processed through normal channels. In the context of AFIP (Argentine tax authority) and electronic invoicing, misuse could result in fraudulent settlement of tax obligations or invoices, constituting a financial operation with irreversible fiscal and legal consequences.

From the tool's definition 'Manually resolve a charge as paid' and 'out-of-band settlement (e.g. underpayment you accept, delayed confirmation you want to honour)'

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

POLICY

How to control resolve_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 resolve_charge:

policy.json

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

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

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.

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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 resolve_charge

What does the resolve_charge tool do? +

Manually resolve a charge as paid. Used for out-of-band settlement (e.g. underpayment you accept, delayed confirmation you want to honour). 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 resolve_charge? +

Register the Mcp Afip MCP server in PolicyLayer and add a rule for resolve_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 resolve_charge? +

resolve_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 resolve_charge? +

Yes. Add a rate_limit block to the resolve_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 resolve_charge completely? +

Set action: deny in the PolicyLayer policy for resolve_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 resolve_charge? +

resolve_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.

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

CHECK YOUR STACK →