isw_create_card

Provision a new Verve card through Card 360. 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-create-card.md

WHAT IT DOES

What isw_create_card does on Interswitch

AI agents use isw_create_card 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_create_card is rated Critical

Provisioning a new payment card is a financial operation that creates a new financial instrument, likely incurring costs or committing financial obligations on behalf of the organization or customer. This falls under Financial as it directly relates to payment card issuance, which is a regulated financial activity with significant blast radius if misused by an AI agent.

From the tool's definition Provision a new Verve card through Card 360

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs isw_create_card 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_create_card, this is the rule to start with:

isw_create_card Approval-gated

Any call to isw_create_card 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_create_card": {
      "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_create_card call is checked against it from then on.

FAQ

Questions about isw_create_card

What does the isw_create_card tool do? +

Provision a new Verve card through Card 360. 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_create_card? +

Register the Interswitch MCP server in PolicyLayer and add a rule for isw_create_card: 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_create_card? +

isw_create_card 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_create_card? +

Yes. Add a rate_limit block to the isw_create_card 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_create_card completely? +

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

isw_create_card 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 →

Across the catalogue

request_virtual_card on Pop Pay →fundos_create_capital_call on Fundos →create_payment on Shopmonkey MCP Server →create_agent on Conviction → All critical-risk MCP tools → The MCP Attack Database →

Guides

Govern MCP payment tools →Human-in-the-loop →Tool call approval →