获取A股每日筹码平均成本和胜率情况
AI agents call get_stock_cyq_perf to retrieve information from FNewsCrawler without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical financial data (average cost and win rate statistics) about stock holdings. It is a read-only query with no side effects, no code execution, no data modification, and no financial transactions. The low severity reflects minimal risk even if misused—at worst, an agent would retrieve publicly available or subscription financial data.
From the tool's definition The tool name 'get_stock_cyq_perf' and description '获取A股每日筹码平均成本和胜率情况' (Get daily chip average cost and win rate for A-shares) indicate this is a data retrieval/query operation.
Attacks that exploit this kind of access
获取A股每日筹码平均成本和胜率情况. It is categorised as a Read tool in the FNewsCrawler MCP Server, which means it retrieves data without modifying state.
Register the FNewsCrawler MCP server in PolicyLayer and add a rule for get_stock_cyq_perf: 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 FNewsCrawler. Nothing to install.
get_stock_cyq_perf 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_cyq_perf 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_cyq_perf. 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_cyq_perf is provided by the FNewsCrawler MCP server (noimank/fnewscrawler). 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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