isw_initiate_refund

Initiate a refund for a settled transaction. High-risk write operation; requires confirm: true.

SERVERInterswitch SOURCEinterswitch-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/io-github-dairus01-interswitch-mcp-server/isw-initiate-refund.md

WHAT IT DOES

What isw_initiate_refund does on Interswitch

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

RISK

Why isw_initiate_refund is rated Critical

This tool directly commits a financial obligation (refund) that reverses a payment transaction. Refunds involve money movement and have real-world financial consequences. Even though it requires confirmation, an AI agent with access could trigger unauthorized refunds, causing direct financial loss.

From the tool's definition Tool description states 'Initiate a refund for a settled transaction' — explicitly a financial operation involving movement of money. Server context confirms this is part of an Interswitch payment/financial API suite.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs isw_initiate_refund safely

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

isw_initiate_refund Approval-gated

Any call to isw_initiate_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": {
    "isw_initiate_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 Interswitch, apply this rule, and every isw_initiate_refund call is checked against it from then on.

FAQ

Questions about isw_initiate_refund

What does the isw_initiate_refund tool do? +

Initiate a refund for a settled transaction. High-risk write operation; requires confirm: true. It is categorised as a Financial tool in the Interswitch MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on isw_initiate_refund? +

Register the Interswitch MCP server in PolicyLayer and add a rule for isw_initiate_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 Interswitch. Nothing to install.

What risk level is isw_initiate_refund? +

isw_initiate_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 isw_initiate_refund? +

Yes. Add a rate_limit block to the isw_initiate_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 isw_initiate_refund completely? +

Set action: deny in the PolicyLayer policy for isw_initiate_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 isw_initiate_refund? +

isw_initiate_refund is provided by the Interswitch MCP server (interswitch-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Interswitch, and thousands of servers like it.

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All 74 Interswitch tools → Critical-risk tools on this server →

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refund_external_order on Thinkific MCP Server → All critical-risk MCP tools → The MCP Attack Database →

Guides

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