获取单个股票的实时当前信息，包括当前价格、涨跌幅、成交量等实时数据
AI agents call get-stock-info to retrieve information from MCP Stock Assistant without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries market data without any side effects or ability to modify, delete, or execute financial operations. It is purely informational, reading publicly available stock market data from the Xueqiu API. No irreversible actions, code execution, or financial commitments are possible.
From the tool's definition Tool description indicates it 'fetches' and 'retrieves' 'real-time stock information' including 'current price, percentage changes, volume, and other key metrics' with no mention of modifications, deletions, or financial transactions.
Attacks that exploit this kind of access
获取单个股票的实时当前信息，包括当前价格、涨跌幅、成交量等实时数据. It is categorised as a Read tool in the MCP Stock Assistant MCP Server, which means it retrieves data without modifying state.
Register the MCP Stock Assistant MCP server in PolicyLayer and add a rule for get-stock-info: 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 MCP Stock Assistant. Nothing to install.
get-stock-info 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-info 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-info. 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-info is provided by the MCP Stock Assistant MCP server (qqzhangyanhua/mcp-stock). 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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