Request asset transfer from a custodial partner account to Binance.US custodial sub-account. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ This initiates a transfer request to your custody partner! This requests your custodial partner to transfer assets to your Binance.US account. The actual transfer...
AI agents use binance_us_custodial_custodian_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.
This tool directly moves cryptocurrency assets between accounts, committing financial obligations and transferring monetary value. Even though the custody partner executes the actual transfer, the tool initiates and requests the transaction, which is a financial operation.
From the tool's definition Tool initiates asset transfers between custodial accounts ('Request asset transfer from a custodial partner account to Binance.US custodial sub-account').
Documented attack patterns abuse exactly the kind of access binance_us_custodial_custodian_transfer gives an agent:
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_custodial_custodian_transfer:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_custodial_custodian_transfer": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to binance_us_custodial_custodian_transfer is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Request asset transfer from a custodial partner account to Binance.US custodial sub-account. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ This initiates a transfer request to your custody partner! This requests your custodial partner to transfer assets to your Binance.US account. The actual transfer is executed by the custody partner. 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.
Register the Binance US MCP Server MCP server in PolicyLayer and add a rule for binance_us_custodial_custodian_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.
binance_us_custodial_custodian_transfer 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 binance_us_custodial_custodian_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.
Set action: deny in the PolicyLayer policy for binance_us_custodial_custodian_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.
binance_us_custodial_custodian_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.
Start from Binance US MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
93 Binance US MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.