AI agents call get_historical_trades 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 historical trade data from Binance, which is a read-only query operation with no capability to modify, execute code, delete data, or commit financial transactions. Even though the description is empty, the naming convention and sibling tools provide strong contextual evidence that this is a market data retrieval function.
From the tool's definition Tool name 'get_historical_trades' and sibling tools (get_aggregate_trades, get_recent_trades, get_klines, get_order_book, get_price) all retrieve market data without side effects.
Documented attack patterns abuse exactly the kind of access get_historical_trades gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Binance Cryptocurrency MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for get_historical_trades:
{
"version": "1",
"default": "deny",
"tools": {
"get_historical_trades": {}
}
}get_historical_trades is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_historical_trades. 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_historical_trades: 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_historical_trades 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_historical_trades 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_historical_trades. 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_historical_trades is provided by the Binance Cryptocurrency MCP server (snjyor/binance-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 12 Binance Cryptocurrency MCP tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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12 Binance Cryptocurrency MCP tools catalogued and risk-classified — across an index of 42,500+ MCP servers.