计算波动率
AI agents call calculate_volatility to retrieve information from Financial Report Generator MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a read-only statistical/analytical computation. Volatility calculation takes historical price or return data as input and produces a numerical output (typically standard deviation of returns). It does not modify data, execute code, delete anything, or move money.
From the tool's definition Tool name 'calculate_volatility' and description '计算波动率' (calculate volatility in Chinese) indicate a mathematical calculation operation that computes a financial metric (volatility) from existing data.
Attacks that exploit this kind of access
计算波动率. It is categorised as a Read tool in the Financial Report Generator MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Report Generator MCP Server MCP server in PolicyLayer and add a rule for calculate_volatility: 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 Financial Report Generator MCP Server. Nothing to install.
calculate_volatility 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 calculate_volatility 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 calculate_volatility. 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.
calculate_volatility is provided by the Financial Report Generator MCP Server MCP server (kennanyang/financial-report). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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