Refund escrowed funds back to the payer via a signed RefundEscrow transaction.
AI agents use refund_escrow to commit financial operations through Tenzro Ledger MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool moves money by refunding escrowed funds, which is a financial operation that commits to a specific monetary obligation. Even though refunds are typically reversible in intent, the actual execution irreversibly transfers funds from the escrow account to the payer. The Financial category takes precedence over Write because it involves monetary movement and financial commitment.
From the tool's definition Tool name 'refund_escrow' and description 'Refund escrowed funds back to the payer via a signed RefundEscrow transaction' explicitly involves moving funds (escrowed money) back to a payer.
Attacks that exploit this kind of access
Refund escrowed funds back to the payer via a signed RefundEscrow transaction. It is categorised as a Financial tool in the Tenzro Ledger MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Tenzro Ledger MCP server in PolicyLayer and add a rule for refund_escrow: 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 Tenzro Ledger MCP. Nothing to install.
refund_escrow 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 refund_escrow 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 refund_escrow. 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.
refund_escrow is provided by the Tenzro Ledger MCP server (https://canton-mcp.tenzro.network/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.
Teams ship this data inside their own products. See what a licence covers →