取得市場 K 線（蠟燭圖）資料
AI agents call get_k to retrieve information from MAX Exchange 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 straightforward market data query tool that retrieves candlestick/OHLC data for analysis. It has no side effects, does not modify data, execute code, or commit financial transactions. Despite being on a financial trading server, this specific tool only reads and returns market information.
From the tool's definition Tool name 'get_k' with description '取得市場 K 線（蠟燭圖）資料' (Get market K-line/candlestick data). This retrieves historical price chart data without modifying any state.
Attacks that exploit this kind of access
取得市場 K 線（蠟燭圖）資料. It is categorised as a Read tool in the MAX Exchange MCP Server MCP Server, which means it retrieves data without modifying state.
Register the MAX Exchange MCP Server MCP server in PolicyLayer and add a rule for get_k: 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 MAX Exchange MCP Server. Nothing to install.
get_k 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_k 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_k. 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_k is provided by the MAX Exchange MCP Server MCP server (nicky512500/max-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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