Request settlement of assets from custodial sub-account to custodial partner. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ This sends funds to your custodial partner! This settles (withdraws) assets from your Binance.US custodial sub-account to your custody partner
AI agents use binance_us_custodial_settlement to commit financial operations through Sperax Ecosystem Crypto & DeFI MCP Server — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool initiates a financial transfer of assets from a Binance.US custodial sub-account to a custodial partner. It directly moves funds, making it a Financial category tool. The blast radius is critical because an AI agent misusing this tool could trigger unauthorized fund transfers that may be irreversible, with potentially large monetary impact.
From the tool's definition 'Request settlement of assets from custodial sub-account to custodial partner' and 'This sends funds to your custodial partner!' — explicitly moves real assets/funds between accounts
Documented attack patterns abuse exactly the kind of access binance_us_custodial_settlement gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_custodial_settlement:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_custodial_settlement": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to binance_us_custodial_settlement is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Request settlement of assets from custodial sub-account to custodial partner. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ This sends funds to your custodial partner! This settles (withdraws) assets from your Binance.US custodial sub-account to your custody partner. It is categorised as a Financial tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for binance_us_custodial_settlement: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.
binance_us_custodial_settlement 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_settlement 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_settlement. 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_settlement is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Sperax Ecosystem Crypto & DeFI 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.
1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.