Close and settle a metered payment tab.
AI agents use close_tab to commit financial operations through Remit Md MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool finalizes and settles a metered payment tab, which directly commits financial obligations and moves money. Settlement is typically irreversible once processed, placing this firmly in the Financial category. The broader server context (payments, escrows, fund streaming) confirms financial operations. Misuse by an AI agent could result in unintended financial settlements.
From the tool's definition 'Close and settle a metered payment tab' — closing and settling a tab constitutes finalizing a financial transaction and committing payment obligations
Attacks that exploit this kind of access
Close and settle a metered payment tab. It is categorised as a Financial tool in the Remit Md MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Remit Md MCP Server MCP server in PolicyLayer and add a rule for close_tab: 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 Remit Md MCP Server. Nothing to install.
close_tab 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 close_tab 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 close_tab. 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.
close_tab is provided by the Remit Md MCP Server MCP server (pay-skill/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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