binance_us_custodial_undo_transfer

SERVERBinance MCP Server SOURCEnirholas/binance-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/nirholas-binance-mcp/binance-us-custodial-undo-transfer.md

WHAT IT DOES

What binance_us_custodial_undo_transfer does on Binance MCP Server

AI agents use binance_us_custodial_undo_transfer to commit financial operations through Binance MCP Server, usually the final step of a payment, billing, or trading workflow. A call moves real money.

RISK

Why binance_us_custodial_undo_transfer is rated Critical

This tool directly reverses cryptocurrency transfers between custodial accounts, which constitutes a financial operation that moves or redirects assets. While technically reversible (undo operation), it commits financial obligations and changes the state of cryptocurrency holdings.

From the tool's definition Tool description states 'Undo a previous transfer from your custodial partner' and 'reverses a previous custodian transfer by its transfer ID.' The context is crypto asset transfers involving custodial accounts, which are financial operations.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs binance_us_custodial_undo_transfer safely

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

binance_us_custodial_undo_transfer Approval-gated

Any call to binance_us_custodial_undo_transfer 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": {
    "binance_us_custodial_undo_transfer": {
      "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 Binance MCP Server, apply this rule, and every binance_us_custodial_undo_transfer call is checked against it from then on.

FAQ

Questions about binance_us_custodial_undo_transfer

What does the binance_us_custodial_undo_transfer tool do? +

Undo a previous transfer from your custodial partner. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ Only certain transfers can be undone - check with your custodial partner. This reverses a previous custodian transfer by its transfer ID. It is categorised as a Financial tool in the Binance MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.

How do I enforce a policy on binance_us_custodial_undo_transfer? +

Register the Binance MCP Server MCP server in PolicyLayer and add a rule for binance_us_custodial_undo_transfer: 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 Binance MCP Server. Nothing to install.

What risk level is binance_us_custodial_undo_transfer? +

binance_us_custodial_undo_transfer 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 binance_us_custodial_undo_transfer? +

Yes. Add a rate_limit block to the binance_us_custodial_undo_transfer 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 binance_us_custodial_undo_transfer completely? +

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

binance_us_custodial_undo_transfer is provided by the Binance MCP Server MCP server (nirholas/binance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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