Internal transfer between sub-account futures accounts. Move assets between different sub-account futures wallets.
AI agents use BinanceSubAccountFuturesTransfer 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 directly moves financial assets between accounts, which constitutes a financial transaction with immediate economic impact. An AI agent with misuse potential could redirect user funds to attacker-controlled sub-accounts.
From the tool's definition Tool explicitly transfers assets between sub-account futures wallets (move assets). This is a direct financial operation involving custody and movement of cryptocurrency/futures positions.
Documented attack patterns abuse exactly the kind of access BinanceSubAccountFuturesTransfer 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 BinanceSubAccountFuturesTransfer:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceSubAccountFuturesTransfer": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
} Any call to BinanceSubAccountFuturesTransfer is blocked until a human approves it. The rest of the server keeps working.
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Internal transfer between sub-account futures accounts. Move assets between different sub-account futures wallets. 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 BinanceSubAccountFuturesTransfer: 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.
BinanceSubAccountFuturesTransfer 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 BinanceSubAccountFuturesTransfer 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 BinanceSubAccountFuturesTransfer. 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.
BinanceSubAccountFuturesTransfer 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.