AI agents call get_stock_history to retrieve information from A股实时行情MCP服务器 without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical stock data, which is a pure read operation with no side effects, data modification, code execution, or financial transactions. It fits the Read category as it simply queries and returns historical information. The severity is low because reading historical market data poses minimal risk even if misused by an AI agent.
From the tool's definition Tool name 'get_stock_history' and description '获取股票历史数据' (retrieve stock historical data) indicate data retrieval with no modification. The description explicitly uses '获取' (get/retrieve), a read operation.
Documented attack patterns abuse exactly the kind of access get_stock_history gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and A股实时行情MCP服务器, and nothing reaches the server without passing your rules. This is the rule we recommend for get_stock_history:
{
"version": "1",
"default": "deny",
"tools": {
"get_stock_history": {}
}
}get_stock_history is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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获取股票历史数据. It is categorised as a Read tool in the A股实时行情MCP服务器 MCP Server, which means it retrieves data without modifying state.
Register the A股实时行情MCP服务器 MCP server in PolicyLayer and add a rule for get_stock_history: 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 A股实时行情MCP服务器. Nothing to install.
get_stock_history 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_stock_history 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_stock_history. 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_stock_history is provided by the A股实时行情MCP服务器 MCP server (llldmiao/a-stock-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from A股实时行情MCP服务器, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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5 A股实时行情MCP服务器 tools catalogued and risk-classified — across an index of 43,000+ MCP servers.