// MCP TOOL REFERENCE

create_pix_qr_static

Create a static Pix QR (reusable, tied to a merchant Pix key). Returns EMV copy-paste payload and QR image. Use for points-of-sale or donations where the same QR is shown to many payers.

ServerMcp Ap2
CategoryFinancial

How to control create_pix_qr_static ↓

WHAT IT DOES

What create_pix_qr_static does on Mcp Ap2

AI agents use create_pix_qr_static to commit financial operations through Mcp Ap2 — usually the final step of a payment, billing, or trading workflow. A call moves real money.

THE RISK

Critical Risk

Why create_pix_qr_static needs a policy

This tool creates a Pix payment QR code tied to a merchant key, which directly enables financial transactions. Pix is a Brazilian instant payment system, and generating a reusable QR code commits the merchant's payment credentials to a payment instrument. Misuse could expose a merchant's Pix key or redirect payments, making it a high-severity financial tool.

From the tool's definition Create a static Pix QR (reusable, tied to a merchant Pix key)... Use for points-of-sale or donations where the same QR is shown to many payers

Documented attack patterns abuse exactly the kind of access create_pix_qr_static gives an agent:

POLICY

How to control create_pix_qr_static

PolicyLayer is an MCP gateway — it sits between your AI agents and Mcp Ap2, and nothing reaches the server without passing your rules. This is the rule we recommend for create_pix_qr_static:

policy.json

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

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

Create a free account and register Mcp Ap2 — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

Critical-risk tools in Mcp Ap2 → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about create_pix_qr_static

What does the create_pix_qr_static tool do? +

Create a static Pix QR (reusable, tied to a merchant Pix key). Returns EMV copy-paste payload and QR image. Use for points-of-sale or donations where the same QR is shown to many payers. It is categorised as a Financial tool in the Mcp Ap2 MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on create_pix_qr_static? +

Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for create_pix_qr_static: 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 Mcp Ap2. Nothing to install.

What risk level is create_pix_qr_static? +

create_pix_qr_static 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 create_pix_qr_static? +

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

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

create_pix_qr_static is provided by the Mcp Ap2 MCP server (@codespar/mcp-ap2). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Mcp Ap2 tool call.

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1300 Mcp Ap2 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.