get_price
AI agents call get_price to retrieve information from Binance Cryptocurrency MCP without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves cryptocurrency price data from Binance. It performs no side effects, does not modify data, execute code, delete information, or move funds. Even if misused by an AI agent, accessing price quotes poses minimal risk—the worst outcome would be outdated trading decisions based on stale or misinterpreted data. Severity is low due to read-only nature with no blast radius.
From the tool's definition Tool name 'get_price' combined with server description stating it 'access[es] real-time Binance cryptocurrency market data including prices' and sibling tools that are all read-only data retrieval functions (get_24hr_ticker, get_order_book,…
Attacks that exploit this kind of access
get_price. It is categorised as a Read tool in the Binance Cryptocurrency MCP MCP Server, which means it retrieves data without modifying state.
Register the Binance Cryptocurrency 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 Binance Cryptocurrency MCP. 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 Binance Cryptocurrency MCP server (jianchundev/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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