binance_us_ticker_book
Get best bid/ask prices and quantities (top of book).
This record as markdown: /tools/nirholas-binance-mcp/binance-us-ticker-book.md
What binance_us_ticker_book does on Binance MCP Server
AI agents call binance_us_ticker_book to retrieve information from Binance MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why binance_us_ticker_book is rated Low
This tool retrieves real-time market information (bid/ask prices) from the order book, which is a read-only operation with no ability to modify, execute, or delete data. Even in the context of a trading platform, querying public market data carries minimal risk as it cannot affect account balance, execute trades, or alter any state. The tool is informational only.
From the tool's definition Tool name 'ticker_book' and description 'Get best bid/ask prices and quantities (top of book)' indicate retrieval of market data with no side effects.
Attacks that exploit this kind of access
The rule that runs binance_us_ticker_book safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Binance MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For binance_us_ticker_book, this is the rule to start with:
binance_us_ticker_book is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Binance MCP Server, apply this rule, and every binance_us_ticker_book call is checked against it from then on.
Questions about binance_us_ticker_book
Get best bid/ask prices and quantities (top of book). 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_ticker_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_ticker_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_ticker_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_ticker_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_ticker_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.
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