Create a JazzCash Over-The-Counter (OTC) voucher payment. amount is in PKR rupees. The response carries a voucher number the customer redeems offline at a JazzCash outlet (there is no redeem API). Money-moving and non-idempotent.
AI agents use create_voucher to commit financial operations through Jazzcash — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool initiates a financial transaction by creating a voucher payment in PKR. It is explicitly described as money-moving and non-idempotent, meaning each invocation commits a financial obligation. Misuse by an AI agent could result in unauthorized or repeated financial commitments, warranting critical severity.
From the tool's definition "Money-moving and non-idempotent" and "Create a JazzCash Over-The-Counter (OTC) voucher payment. amount is in PKR rupees."
Attacks that exploit this kind of access
Create a JazzCash Over-The-Counter (OTC) voucher payment. amount is in PKR rupees. The response carries a voucher number the customer redeems offline at a JazzCash outlet (there is no redeem API). Money-moving and non-idempotent. It is categorised as a Financial tool in the Jazzcash MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Jazzcash MCP server in PolicyLayer and add a rule for create_voucher: 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 Jazzcash. Nothing to install.
create_voucher 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_voucher 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_voucher. 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_voucher is provided by the Jazzcash MCP server (theyahia/jazzcash-mcp). 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.
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