capture_payment · AdminAgent MCP: Risk & Policy

WHAT IT DOES

What capture_payment does on AdminAgent

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

WHY IT NEEDS A POLICY

Why capture_payment needs a policy

This tool moves money by finalizing a previously authorized payment, triggering an actual charge to the customer's payment method. Misuse could result in unauthorized or incorrect charges, making it a Financial action with critical severity given the direct monetary impact.

From the tool's definition Capture an authorized payment on an order

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

capture_payment Approval-gated

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

View as policy code

policy.json

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

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches AdminAgent, so you can run agents against it safely.

FAQ

Questions about capture_payment

What does the capture_payment tool do? +

Capture an authorized payment on an order. It is categorised as a Financial tool in the AdminAgent MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on capture_payment? +

Register the AdminAgent MCP server in PolicyLayer and add a rule for capture_payment: 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 AdminAgent. Nothing to install.

What risk level is capture_payment? +

capture_payment 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 capture_payment? +

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

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

capture_payment is provided by the AdminAgent MCP server (rushikeshmore/admin-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.