stock_zh_a_hist
A read tool on the China Stock MCP server.
This record as markdown: /tools/peikuo-china-stock-mcp-server/stock-zh-a-hist.md
What stock_zh_a_hist does on China Stock MCP Server
AI agents call stock_zh_a_hist to retrieve information from China Stock MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why stock_zh_a_hist is rated Low
This tool retrieves historical stock data for Chinese A-shares (stock_zh_a), a read-only operation with no side effects. No modification, execution, destruction, or financial transactions occur. Confidence is 0.85 rather than higher because the description is empty, but the naming convention and server context strongly indicate a data retrieval function consistent with other read tools on the server.
From the tool's definition Tool name 'stock_zh_a_hist' indicates historical stock data retrieval ('hist' = historical). The server description states it provides 'access to Chinese stock market data' through 'fetch real-time and historical data'.
Attacks that exploit this kind of access
The rule that runs stock_zh_a_hist safely
PolicyLayer is an MCP gateway: it sits between your AI agents and China Stock MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For stock_zh_a_hist, this is the rule to start with:
stock_zh_a_hist is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect China Stock MCP Server, apply this rule, and every stock_zh_a_hist call is checked against it from then on.
Questions about stock_zh_a_hist
stock_zh_a_hist is a read tool on the China Stock MCP Server MCP server. It is categorised as a Read tool in the China Stock MCP Server MCP Server, which means it retrieves data without modifying state.
Register the China Stock MCP Server MCP server in PolicyLayer and add a rule for stock_zh_a_hist: 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 China Stock MCP Server. Nothing to install.
stock_zh_a_hist 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 stock_zh_a_hist 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 stock_zh_a_hist. 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.
stock_zh_a_hist is provided by the China Stock MCP Server MCP server (peikuo/china-stock-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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