计算指定股票的成交量加权移动平均线(VWMA)指标
AI agents call stock_vwma 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 a technical analysis indicator (VWMA) for stocks. It performs a read-only computation on market data to produce analytical output. There are no side effects, data modifications, deletions, code execution, or financial transactions involved. The misuse risk is minimal since providing incorrect analysis data cannot directly harm systems or execute unintended operations.
From the tool's definition Tool name 'stock_vwma' and description '计算指定股票的成交量加权移动平均线(VWMA)指标' indicate a calculation/retrieval of a technical indicator (Volume Weighted Moving Average).
Attacks that exploit this kind of access
计算指定股票的成交量加权移动平均线(VWMA)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_vwma: 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_vwma 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_vwma 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_vwma. 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_vwma 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.
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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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