close_tab

Close and settle a metered payment tab.

SERVERRemit Md MCP Server SOURCEpay-skill/mcp

Critical RISK CLASS

Category Financial

Parameters 00 required

Recommended Approval-gatedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/pay-skill-mcp/close-tab.md

WHAT IT DOES

What close_tab does on Remit Md MCP Server

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.

RISK

Why close_tab is rated Critical

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

RECOMMENDED RULE

The rule that runs close_tab safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Remit Md MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For close_tab, this is the rule to start with:

close_tab Approval-gated

Any call to close_tab is blocked until a human approves it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "close_tab": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

GATE THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Remit Md MCP Server, apply this rule, and every close_tab call is checked against it from then on.

FAQ

Questions about close_tab

What does the close_tab tool do? +

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.

How do I enforce a policy on close_tab? +

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.

What risk level is close_tab? +

close_tab is a Financial tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit close_tab? +

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.

How do I block close_tab completely? +

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.

What MCP server provides close_tab? +

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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