getStockPriceChange
Track stock price fluctuations in real-time with the FMP Stock Price Change API. Monitor percentage and value changes over various time periods, including daily, weekly, monthly, and long-term.
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What getStockPriceChange does on Financial Modeling Prep MCP Server
AI agents call getStockPriceChange to retrieve information from Financial Modeling Prep MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
Why getStockPriceChange is rated Low
getStockPriceChange retrieves and queries historical and real-time stock price data. It performs no writes, deletions, code execution, or financial transactions. The tool only reads financial market data for analysis purposes, making it a Read category tool with low severity.
From the tool's definition Tool description: 'Track stock price fluctuations in real-time' and 'Monitor percentage and value changes' — these are passive data retrieval operations with no modification or execution of code.
Attacks that exploit this kind of access
The rule that runs getStockPriceChange safely
PolicyLayer is an MCP gateway: it sits between your AI agents and Financial Modeling Prep MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For getStockPriceChange, this is the rule to start with:
getStockPriceChange is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Financial Modeling Prep MCP Server, apply this rule, and every getStockPriceChange call is checked against it from then on.
Questions about getStockPriceChange
Track stock price fluctuations in real-time with the FMP Stock Price Change API. Monitor percentage and value changes over various time periods, including daily, weekly, monthly, and long-term. 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 getStockPriceChange: 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.
getStockPriceChange 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 getStockPriceChange 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 getStockPriceChange. 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.
getStockPriceChange is provided by the Financial Modeling Prep MCP Server MCP server (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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