fetch_chart_data
AI agents call fetch_chart_data to retrieve information from Binance MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Fetching chart data is a read-only operation that queries historical market information with no side effects. While the description is absent (reducing confidence slightly), the naming pattern and server context clearly indicate data retrieval rather than trading execution, leverage adjustment, or any destructive action.
From the tool's definition Tool name 'fetch_chart_data' uses the verb 'fetch', which retrieves data without modification. The empty description limits direct evidence, but context from sibling tools (get_market_price, calculate_indicators) and the server's stated purpose of…
Attacks that exploit this kind of access
fetch_chart_data. It is categorised as a Read tool in the Binance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Binance MCP Server MCP server in PolicyLayer and add a rule for fetch_chart_data: 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 MCP Server. Nothing to install.
fetch_chart_data 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 fetch_chart_data 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 fetch_chart_data. 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.
fetch_chart_data is provided by the Binance MCP Server MCP server (jordy33/binance_mcp). 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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