Cria uma cobrança Pix (OpenPix/Woovi) via POST /api/v1/charge.
AI agents use woovi_create_charge to commit financial operations through Payments MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly creates payment charges in a real payment gateway (Woovi/OpenPix). Misuse by an AI agent could result in unauthorized charges, fraudulent transactions, or financial loss. This is a Financial tool by definition—it commits financial obligations.
From the tool's definition Tool creates a Pix charge via POST /api/v1/charge on Woovi/OpenPix payment gateway. Pix is a Brazilian instant payment system. Tool explicitly performs payment/charge creation, which moves money or commits financial obligations.
Attacks that exploit this kind of access
Cria uma cobrança Pix (OpenPix/Woovi) via POST /api/v1/charge. It is categorised as a Financial tool in the Payments MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Payments MCP server in PolicyLayer and add a rule for woovi_create_charge: 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 Payments MCP. Nothing to install.
woovi_create_charge 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 woovi_create_charge 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 woovi_create_charge. 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.
woovi_create_charge is provided by the Payments MCP server (lpillonwp/mcp-payments). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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