close_stream · Remit Md MCP Server MCP: Risk & Policy

WHAT IT DOES

What close_stream does on Remit Md MCP Server

AI agents use close_stream 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.

WHY IT NEEDS A POLICY

Why close_stream needs a policy

This tool terminates an active financial payment stream and performs a final financial settlement. It directly affects money movement and financial obligations, making it a Financial category tool. Misuse could prematurely halt payments and trigger incorrect settlements, with potentially irreversible financial consequences.

From the tool's definition Stop a streaming payment and settle the final amount

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

close_stream Approval-gated

Any call to close_stream 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_stream": {
      "deny_if": [
        {
          "conditions": [],
          "on_deny": "Requires human approval."
        }
      ]
    }
  }
}

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Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Remit Md MCP Server, so you can run agents against it safely.

FAQ

Questions about close_stream

What does the close_stream tool do? +

Stop a streaming payment and settle the final amount. 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_stream? +

Register the Remit Md MCP Server MCP server in PolicyLayer and add a rule for close_stream: 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_stream? +

close_stream 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_stream? +

Yes. Add a rate_limit block to the close_stream 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_stream completely? +

Set action: deny in the PolicyLayer policy for close_stream. 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_stream? +

close_stream 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.