Calculate the Standard Deviation for a stock using the FMP Standard Deviation API. This tool helps users analyze volatility and risk associated with historical price data.
AI agents call getStandardDeviation to retrieve information from Financial Modeling Prep MCP Server 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 metrics from existing financial data without creating, modifying, deleting, or executing arbitrary code. It performs a read-only statistical analysis on historical stock price information. Standard deviation calculation is a passive analytical operation with no side effects or ability to affect systems or financial positions.
From the tool's definition Tool name is 'getStandardDeviation' and description states it 'Calculate[s] the Standard Deviation for a stock using the FMP Standard Deviation API' to 'analyze volatility and risk associated with historical price data.' The verb 'Calculate' paired with…
Attacks that exploit this kind of access
Calculate the Standard Deviation for a stock using the FMP Standard Deviation API. This tool helps users analyze volatility and risk associated with historical price data. It is categorised as a Read tool in the Financial Modeling Prep MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Financial Modeling Prep MCP Server MCP server in PolicyLayer and add a rule for getStandardDeviation: 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 Modeling Prep MCP Server. Nothing to install.
getStandardDeviation 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 getStandardDeviation 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 getStandardDeviation. 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.
getStandardDeviation is provided by the Financial Modeling Prep MCP Server MCP server (vijitdaroch/financial-modeling-prep-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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