Get 24-hour price change statistics. Weight: 2 (single symbol), 80 (all symbols). Includes price change, volume, high/low, and trade count.
AI agents call bn_ticker_24hr 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 tool performs a pure data retrieval operation on public market statistics. It does not create, modify, delete, or execute any operations. The 'Weight' parameter indicates API rate-limiting cost, not operational impact. Public market data queries present minimal risk—an AI agent cannot cause harm by retrieving price statistics. No authentication required for public data reinforces the benign nature.
From the tool's definition Tool retrieves 24-hour price change statistics, volume, high/low prices, and trade count—all read-only market data queries with no modification or side effects. The description states 'Get' which indicates data retrieval only.
Attacks that exploit this kind of access
Get 24-hour price change statistics. Weight: 2 (single symbol), 80 (all symbols). Includes price change, volume, high/low, and trade count. 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_24hr: 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_24hr 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_24hr 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_24hr. 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_24hr 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.
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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