Get order book depth (bids and asks) for a trading pair on Binance.US. Returns price levels with quantities. Weight varies based on limit (1-100: weight 1, 101-500: weight 5, 501-1000: weight 10, 1001-5000: weight 50).
AI agents call binance_us_order_book to retrieve information from Binance MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Even though binance_us_order_book only reads data, uncontrolled read access leaks sensitive information and racks up API costs — an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Documented attack patterns abuse exactly the kind of access binance_us_order_book gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Binance MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for binance_us_order_book:
{
"version": "1",
"default": "deny",
"tools": {
"binance_us_order_book": {}
}
}binance_us_order_book 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 order book depth (bids and asks) for a trading pair on Binance.US. Returns price levels with quantities. Weight varies based on limit (1-100: weight 1, 101-500: weight 5, 501-1000: weight 10, 1001-5000: weight 50). It is categorised as a Read tool in the Binance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Binance MCP Server MCP server in PolicyLayer and add a rule for binance_us_order_book: 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 MCP Server. Nothing to install.
binance_us_order_book 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_order_book 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_order_book. 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_order_book is provided by the Binance MCP Server MCP server (nirholas/binance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 734 Binance MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
Free to start. No card required.
734 Binance MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.