Get A-share Limit-Up (ZhangTing) stock pool for a specific date.
AI agents call get_market_zt_pool to retrieve information from Stock Data MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves financial market information (limit-up stock listings) without modifying data, executing code, deleting records, or moving money. It is a passive query operation with no side effects. Severity is low because misuse would only result in accessing publicly available market data, with no blast radius for the underlying systems or financial accounts.
From the tool's definition Tool name 'get_market_zt_pool' and description 'Get A-share Limit-Up (ZhangTing) stock pool for a specific date' indicate a data retrieval operation.
Attacks that exploit this kind of access
Get A-share Limit-Up (ZhangTing) stock pool for a specific date. It is categorised as a Read tool in the Stock Data MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stock Data MCP Server MCP server in PolicyLayer and add a rule for get_market_zt_pool: 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 Stock Data MCP Server. Nothing to install.
get_market_zt_pool 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_market_zt_pool 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_market_zt_pool. 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_market_zt_pool is provided by the Stock Data MCP Server MCP server (xj-bear/stockdata-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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