Get latest price for a symbol or all symbols. Lightweight endpoint for quick price checks.
AI agents call bn_ticker_price to retrieve information from Node2flow/binance without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a query tool that retrieves public market data (ticker prices) from the Binance exchange. It performs no writes, executions, deletions, or financial transactions. The data is read-only and retrieving it carries minimal risk even if misused by an AI agent, as it merely returns price information without enabling any actions that could harm accounts or cause losses.
From the tool's definition Tool description states 'Get latest price for a symbol or all symbols. Lightweight endpoint for quick price checks.' This retrieves current market price data with no side effects or modifications.
Attacks that exploit this kind of access
Get latest price for a symbol or all symbols. Lightweight endpoint for quick price checks. It is categorised as a Read tool in the Node2flow/binance MCP Server, which means it retrieves data without modifying state.
Register the Node2flow/binance MCP server in PolicyLayer and add a rule for bn_ticker_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 Node2flow/binance. Nothing to install.
bn_ticker_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 bn_ticker_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 bn_ticker_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.
bn_ticker_price is provided by the Node2flow/binance MCP server (node2flow-th/binance-mcp-community). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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