// MCP TOOL REFERENCE

binance_us_cust_wallet_transfer

ServerBinance US MCP Server
CategoryFinancial

How to control binance_us_cust_wallet_transfer ↓

WHAT IT DOES

What binance_us_cust_wallet_transfer does on Binance US MCP Server

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

THE RISK

Critical Risk

Why binance_us_cust_wallet_transfer needs a policy

This tool directly moves cryptocurrency assets (financial value) between accounts. While asset transfers are reversible in principle, they represent immediate commitments of financial value and could result in unintended loss of funds if an AI agent misuses parameters (wrong recipient, excessive amounts). The Financial category applies because the tool commits cryptocurrency holdings to specific accounts.

From the tool's definition Tool transfers assets from exchange wallet to custodial sub-account. Description states 'Transfer assets from Binance.US exchange wallet to custodial sub-account' and requires 'CUSTODIAL SOLUTION API KEY'.

Documented attack patterns abuse exactly the kind of access binance_us_cust_wallet_transfer gives an agent:

POLICY

How to control binance_us_cust_wallet_transfer

PolicyLayer is an MCP gateway — it sits between your AI agents and Binance US MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_cust_wallet_transfer:

policy.json

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

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

Create a free account and register Binance US MCP Server — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

Related tools and policies

More Binance US MCP Server tools

Financial binance_us_cancel_replace Cancel an existing order and place a new order on the same symbol atomically. This is usef Financial binance_us_cust_new_order Place a new trade order through the custodial solution. ⚠️ REQUIRES CUSTODIAL SOLUTION AP Financial binance_us_new_oco Place a new OCO (One-Cancels-the-Other) order on Binance.US. OCO orders combine a limit or Financial binance_us_new_order Place a new trade order on Binance.US. Supports LIMIT, MARKET, STOP_LOSS, STOP_LOSS_LIMIT, Financial binance_us_cl_transfer Transfer assets in or out of your credit line account. ⚠️ REQUIRES CREDIT LINE API KEY - Financial binance_us_cust_transfer Transfer assets from custodial partner account to Binance.US custodial sub-account. ⚠️ RE Financial binance_us_cust_undo_transfer Undo a previous transfer from your custodial partner. ⚠️ REQUIRES CUSTODIAL SOLUTION API Financial binance_us_custodial_custodian_transfer Request asset transfer from a custodial partner account to Binance.US custodial sub-accoun

All 93 Binance US MCP Server tools →

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Go deeper

Critical-risk tools in Binance US MCP Server → Every critical-risk tool this server exposes, in one view.
All critical-risk MCP tools → Every critical-risk tool across the catalogue, and the policy pattern that contains them.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Human-in-the-loop → When a tool call should wait for a person — and when policy can decide alone.
Tool call approval → Approval gates on individual tool calls: auto-allow, prompt, or deny.
How to Add Spending Controls to Any MCP Agent →
Rate Limiting MCP Tool Calls: A Practical Guide →

FAQ

Questions about binance_us_cust_wallet_transfer

What does the binance_us_cust_wallet_transfer tool do? +

Transfer assets from Binance.US exchange wallet to custodial sub-account. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Use this to move assets from your Binance.US exchange wallet to your custodial sub-account for trading. Response includes: - asset: Transferred asset - amount: Transfer amount - clientOrderId: Your reference ID (or auto-generated) - transferId: Unique transfer identifier - status: Transfer status (SUCCESS, PENDING, etc.) - createTime: Transfer creation timestamp. It is categorised as a Financial tool in the Binance US 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_cust_wallet_transfer? +

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

What risk level is binance_us_cust_wallet_transfer? +

binance_us_cust_wallet_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_cust_wallet_transfer? +

Yes. Add a rate_limit block to the binance_us_cust_wallet_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_cust_wallet_transfer completely? +

Set action: deny in the PolicyLayer policy for binance_us_cust_wallet_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_cust_wallet_transfer? +

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