Reverses an application ledger payment. Note, this action can only be taken on a payment that has been deposited. \r\n \r\n\r\n<h4>Required permission(s):</h4><span class=
AI agents use create_pay_reversal_applications to commit financial operations through Wpm Mcp Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool reverses (modifies) deposited payments in an application ledger, which directly affects financial obligations and account balances. While technically reversible, payment reversals commit financial state changes and affect money flow. This falls under Financial rather than Write because it specifically manipulates monetary transactions and ledger entries, which have real financial consequences.
From the tool's definition Tool name 'create_pay_reversal_applications' combined with description 'Reverses an application ledger payment' indicates direct manipulation of payment records.
Attacks that exploit this kind of access
Reverses an application ledger payment. Note, this action can only be taken on a payment that has been deposited. \r\n \r\n\r\n<h4>Required permission(s):</h4><span class=. It is categorised as a Financial tool in the Wpm Mcp Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Wpm Mcp Server MCP server in PolicyLayer and add a rule for create_pay_reversal_applications: 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 Wpm Mcp Server. Nothing to install.
create_pay_reversal_applications 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_pay_reversal_applications 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_pay_reversal_applications. 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_pay_reversal_applications is provided by the Wpm Mcp Server MCP server (wpm-mcp-server-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.
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