Place a new trade order through the custodial solution. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Supported order types: - LIMIT: Requires timeInForce, quantity, price - MARKET: Requires quantity OR quoteOrderQty - STOP_LOSS: Requires quantity, stopPrice (executes as MARKET when triggered) - STOP_LO...
AI agents use binance_us_cust_new_order to commit financial operations through BNB Chain MCP — usually the final step of a payment, billing, or trading workflow. A call moves real money.
This tool directly executes financial trade orders on Binance US, committing real financial transactions including market buys/sells, limit orders, and stop-loss/take-profit orders. Misuse could result in significant unintended financial losses or unauthorized trades, making this a critical Financial category tool.
From the tool's definition Place a new trade order through the custodial solution... Supported order types: LIMIT, MARKET, STOP_LOSS, STOP_LOSS_LIMIT, TAKE_PROFIT, TAKE_PROFIT_LIMIT, LIMIT_MAKER
Documented attack patterns abuse exactly the kind of access binance_us_cust_new_order gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and BNB Chain MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_cust_new_order:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_cust_new_order": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to binance_us_cust_new_order is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Place a new trade order through the custodial solution. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY Supported order types: - LIMIT: Requires timeInForce, quantity, price - MARKET: Requires quantity OR quoteOrderQty - STOP_LOSS: Requires quantity, stopPrice (executes as MARKET when triggered) - STOP_LOSS_LIMIT: Requires timeInForce, quantity, price, stopPrice - TAKE_PROFIT: Requires quantity, stopPrice (executes as MARKET when triggered) - TAKE_PROFIT_LIMIT: Requires timeInForce, quantity, price, stopPrice - LIMIT_MAKER: Requires quantity, price (POST-ONLY order) ExpressTrade Feature: When allowExpressTrade=true and custodial sub-account balance is insufficient, the full amount will be automatically transferred from the custodial partner. Response includes: symbol, orderId, status, type, side, price, quantity, executedQty, and expressTradeFlag. It is categorised as a Financial tool in the BNB Chain MCP MCP Server, which means it involves financial transactions. Block by default and require explicit approval.
Register the BNB Chain MCP server in PolicyLayer and add a rule for binance_us_cust_new_order: 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 BNB Chain MCP. Nothing to install.
binance_us_cust_new_order 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_cust_new_order 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_cust_new_order. 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_cust_new_order is provided by the BNB Chain MCP server (nirholas/bnbchain-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 1240 BNB Chain MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
1240 BNB Chain MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.