process_refund

Issue a Stripe refund for a payment. Can be partial or full amount.

SERVERBusinys SOURCE@businys/mcp-server

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/app-businys-mcp-server/process-refund.md

WHAT IT DOES

What process_refund does on Businys

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

RISK

Why process_refund is rated Critical

This tool commits financial obligations by reversing payments through Stripe. Refunds are inherently financial operations that move money and alter account balances. Even with constraints like partial/full amount selection, misuse by an AI agent could result in unauthorized refunds, customer disputes, and direct monetary loss. This is the most severe category applicable.

From the tool's definition Tool description states "Issue a Stripe refund for a payment" which directly indicates movement of money and financial obligation reversal. Refunds are irreversible financial transactions that reduce account balances.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs process_refund safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Businys, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For process_refund, this is the rule to start with:

process_refund Approval-gated

Any call to process_refund 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": {
    "process_refund": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Businys, apply this rule, and every process_refund call is checked against it from then on.

FAQ

Questions about process_refund

What does the process_refund tool do? +

Issue a Stripe refund for a payment. Can be partial or full amount. It is categorised as a Financial tool in the Businys MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on process_refund? +

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

What risk level is process_refund? +

process_refund 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 process_refund? +

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

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

process_refund is provided by the Businys MCP server (@businys/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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