Create a dynamic Pix charge (single-use QR with expiration). Returns txid, EMV copy-paste, and QR image. Preferred for e-commerce checkouts and invoices.
AI agents use create_pix_charge_dynamic to commit financial operations through Mcp Ap2 — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly creates financial charges and payment requests. It commits a financial obligation by generating a payment demand (via QR code) that can be presented to users for settlement. Misuse could initiate unauthorized payment requests, fraudulent charges, or financial extraction. This is explicitly a financial operation and the most severe risk category applies.
From the tool's definition Tool name contains 'charge' and 'create'; description states 'Create a dynamic Pix charge' and mentions 'e-commerce checkouts'. Pix is Brazil's instant payment system.
Documented attack patterns abuse exactly the kind of access create_pix_charge_dynamic gives an agent:
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_charge_dynamic:
{
"version": "1",
"default": "deny",
"tools": {
"create_pix_charge_dynamic": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
} Any call to create_pix_charge_dynamic is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Create a dynamic Pix charge (single-use QR with expiration). Returns txid, EMV copy-paste, and QR image. Preferred for e-commerce checkouts and invoices. 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.
Register the Mcp Ap2 MCP server in PolicyLayer and add a rule for create_pix_charge_dynamic: 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.
create_pix_charge_dynamic is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.
Yes. Add a rate_limit block to the create_pix_charge_dynamic 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.
Set action: deny in the PolicyLayer policy for create_pix_charge_dynamic. 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.
create_pix_charge_dynamic 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.
Start from Mcp Ap2, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
1300 Mcp Ap2 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.