Create a charge or credit for a customer. POST /customers/{customerId}/charges_credits. IMPORTANT: amount is in CENTS (e.g. 10000 = $100.00). Required: amount (integer, in cents), type (charge or credit), companyCurrencyId, category (physical or digital). Optional: description, qty (default 1), i...
AI agents use create_customer_charge_credit to commit financial operations through Rebillia MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly commits financial obligations by creating charges against customer accounts or issuing credits. Misuse could result in unauthorized billing to customers, arbitrary credit issuance, or financial fraud. The tool's core function is financial transaction processing, which is the most severe risk category. High confidence due to explicit mention of 'charge' and 'credit' operations with monetary amounts.
From the tool's definition Tool creates financial charges or credits for customers ('Create a charge or credit for a customer'), with amounts specified in cents (e.g., '10000 = $100.00'). This directly moves money or adjusts customer billing obligations.
Attacks that exploit this kind of access
Create a charge or credit for a customer. POST /customers/{customerId}/charges_credits. IMPORTANT: amount is in CENTS (e.g. 10000 = $100.00). Required: amount (integer, in cents), type (charge or credit), companyCurrencyId, category (physical or digital). Optional: description, qty (default 1), isFreeShipping, taxable, weight (required by API when category is physical). It is categorised as a Financial tool in the Rebillia MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Rebillia MCP Server MCP server in PolicyLayer and add a rule for create_customer_charge_credit: 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 Rebillia MCP Server. Nothing to install.
create_customer_charge_credit 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_customer_charge_credit 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_customer_charge_credit. 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_customer_charge_credit is provided by the Rebillia MCP Server MCP server (rhinosaas/rebillia-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
Teams ship this data inside their own products. See what a licence covers →