Get all open custodial trade orders. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ Do not call without a symbol parameter as it returns all pairs and can be slow. Response is an array of open orders with: symbol, orderId, price, origQty, executedQty, status, type, side, stopPrice, time, updateTime, i...
AI agents call binance_us_cust_open_orders to retrieve information from Binance US MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves/queries existing open orders from the exchange. It has no side effects — it does not create, modify, cancel, or execute any orders. The response is purely informational data about current open orders.
From the tool's definition Get all open custodial trade orders... Response is an array of open orders
Documented attack patterns abuse exactly the kind of access binance_us_cust_open_orders 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_cust_open_orders:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_cust_open_orders": {}
}
}binance_us_cust_open_orders is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get all open custodial trade orders. ⚠️ REQUIRES CUSTODIAL SOLUTION API KEY ⚠️ Do not call without a symbol parameter as it returns all pairs and can be slow. Response is an array of open orders with: symbol, orderId, price, origQty, executedQty, status, type, side, stopPrice, time, updateTime, isWorking, expressTradeFlag. It is categorised as a Read tool in the Binance US MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Binance US MCP Server MCP server in PolicyLayer and add a rule for binance_us_cust_open_orders: 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_cust_open_orders is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the binance_us_cust_open_orders 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_open_orders. 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_open_orders 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.