request_virtual_card

A financial tool on the Pop Pay MCP server.

SERVERPop Pay SOURCE100xpercent/pop-pay-python

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade B, identity unverified Pull the record →

This record as markdown: /tools/100xpercent-pop-pay-python/request-virtual-card.md

WHAT IT DOES

What request_virtual_card does on Pop Pay

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

RISK

Why request_virtual_card is rated Critical

The server context makes clear this is a payment/financial infrastructure server. 'request_virtual_card' strongly implies requesting a virtual payment card, which constitutes a financial action — potentially committing financial obligations or enabling future payments.

From the tool's definition Tool name 'request_virtual_card' on a payment-focused server (pop-pay) designed for financial transactions; server description explicitly mentions 'payment guardrail', 'financial transactions', and 'human-controlled credit cards'

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs request_virtual_card safely

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

request_virtual_card Approval-gated

Any call to request_virtual_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": {
    "request_virtual_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 Pop Pay, apply this rule, and every request_virtual_card call is checked against it from then on.

FAQ

Questions about request_virtual_card

What does the request_virtual_card tool do? +

request_virtual_card is a financial tool on the Pop Pay MCP server. It is categorised as a Financial tool in the Pop Pay MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on request_virtual_card? +

Register the Pop Pay MCP server in PolicyLayer and add a rule for request_virtual_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 Pop Pay. Nothing to install.

What risk level is request_virtual_card? +

request_virtual_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 request_virtual_card? +

Yes. Add a rate_limit block to the request_virtual_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 request_virtual_card completely? +

Set action: deny in the PolicyLayer policy for request_virtual_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 request_virtual_card? +

request_virtual_card is provided by the Pop Pay MCP server (100xpercent/pop-pay-python). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

KEEP EXPLORING

More on Pop Pay, and thousands of servers like it.

This server

All 3 Pop Pay tools → Critical-risk tools on this server →

Across the catalogue

uber_request_ride on MCP Uber Server → All critical-risk MCP tools → The MCP Attack Database →

Guides

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