计算指定股票的移动平均线技术指标
AI agents call stock_ma 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 and calculates financial metrics (moving averages) based on stock data. It performs read-only operations—querying historical price data and computing a standard technical indicator. No data is modified, deleted, or created; no code is executed on external systems; and no financial transactions are initiated. This is a pure analytical read operation.
From the tool's definition Tool name 'stock_ma' and description '计算指定股票的移动平均线技术指标' (calculate moving average technical indicators for specified stock) indicates data retrieval and computation of technical analysis metrics without modifying, deleting, or executing external operations.
Attacks that exploit this kind of access
计算指定股票的移动平均线技术指标. 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 stock_ma: 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.
stock_ma 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_ma 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_ma. 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_ma 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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