Get best price/quantity on the order book for a symbol or all symbols.
AI agents call BinanceTickerBookTicker to retrieve information from Sperax Ecosystem Crypto & DeFI MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This is a data query operation that reads order book information from Binance. It has no side effects, cannot modify state, execute commands, or move funds. The worst-case misuse would be information gathering, which poses minimal risk. Classified as Read with low severity.
From the tool's definition Tool retrieves best price/quantity from order book ("Get best price/quantity on the order book") with no modification or execution capabilities.
Documented attack patterns abuse exactly the kind of access BinanceTickerBookTicker gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Sperax Ecosystem Crypto & DeFI MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for BinanceTickerBookTicker:
{
"version": "1",
"default": "deny",
"tools": {
"BinanceTickerBookTicker": {}
}
} BinanceTickerBookTicker is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get best price/quantity on the order book for a symbol or all symbols. It is categorised as a Read tool in the Sperax Ecosystem Crypto & DeFI MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Sperax Ecosystem Crypto & DeFI MCP Server MCP server in PolicyLayer and add a rule for BinanceTickerBookTicker: 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 Sperax Ecosystem Crypto & DeFI MCP Server. Nothing to install.
BinanceTickerBookTicker 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 BinanceTickerBookTicker 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 BinanceTickerBookTicker. 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.
BinanceTickerBookTicker is provided by the Sperax Ecosystem Crypto & DeFI MCP Server MCP server (sperax/sperax-crypto-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Sperax Ecosystem Crypto & DeFI MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
1318 Sperax Ecosystem Crypto & DeFI MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.