Place a new OCO (One-Cancels-the-Other) order through the custodial solution. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY OCO orders combine a limit order with a stop-loss order. When one executes, the other is automatically canceled. Price Restrictions: - SELL: Limit Price > Last Price > Stop Price -...
AI agents use binance_us_cust_oco_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 places financial trading orders on Binance US, directly committing to buy or sell cryptocurrency assets. OCO orders are binding financial transactions that execute automatically upon market conditions being met, representing a direct financial obligation and potential for significant monetary impact if misused.
From the tool's definition Place a new OCO (One-Cancels-the-Other) order through the custodial solution... OCO orders combine a limit order with a stop-loss order. When one executes, the other is automatically canceled.
Documented attack patterns abuse exactly the kind of access binance_us_cust_oco_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_oco_order:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_cust_oco_order": {
"deny_if": [
{
"conditions": [],
"on_deny": "Requires human approval."
}
]
}
}
}Any call to binance_us_cust_oco_order is blocked until a human approves it. The rest of the server keeps working.
Free to start. No card required.
Place a new OCO (One-Cancels-the-Other) order through the custodial solution. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY OCO orders combine a limit order with a stop-loss order. When one executes, the other is automatically canceled. Price Restrictions: - SELL: Limit Price > Last Price > Stop Price - BUY: Limit Price < Last Price < Stop Price Quantity: Both legs must have the same quantity (iceberg qty can differ). Note: OCO counts as 2 orders against rate limits. Response includes orderListId, orders array, and orderReports with details. 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_oco_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_oco_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_oco_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_oco_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_oco_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.