Get current best bid and ask prices for Bitcoin
AI agents call get_bitcoin_order_book to retrieve information from Binance Bitcoin MCP Tool without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries current order book information (bid/ask prices) from Binance without creating, modifying, deleting, or executing any operations. It is a passive data read operation with no capability to affect market state, financial transactions, or system behavior.
From the tool's definition Tool name 'get_bitcoin_order_book' and description 'Get current best bid and ask prices for Bitcoin' indicate retrieval of market data with no side effects.
Attacks that exploit this kind of access
Get current best bid and ask prices for Bitcoin. It is categorised as a Read tool in the Binance Bitcoin MCP Tool MCP Server, which means it retrieves data without modifying state.
Register the Binance Bitcoin MCP Tool MCP server in PolicyLayer and add a rule for get_bitcoin_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 Bitcoin MCP Tool. Nothing to install.
get_bitcoin_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 get_bitcoin_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 get_bitcoin_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.
get_bitcoin_order_book is provided by the Binance Bitcoin MCP Tool MCP server (milescool/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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