获取 Binance 实时价格
AI agents call get_price to retrieve information from Crypto MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries real-time price information from Binance API. It is a read-only retrieval operation with no side effects—it does not execute trades, modify data, delete records, or transfer funds. The server provides 'real-time cryptocurrency market data' for 'trading analysis', but get_price itself only fetches prices.
From the tool's definition Tool name 'get_price' and description 'Get Binance real-time price' (translated from Chinese 获取 Binance 实时价格) indicate a query operation that retrieves cryptocurrency price data without modifying state.
Attacks that exploit this kind of access
获取 Binance 实时价格. It is categorised as a Read tool in the Crypto MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Crypto MCP Server MCP server in PolicyLayer and add a rule for get_price: 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 Crypto MCP Server. Nothing to install.
get_price 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_price 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_price. 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_price is provided by the Crypto MCP Server MCP server (williamning316/crypto-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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