getHistoricalStockGrades
Access a comprehensive record of analyst grades with the FMP Historical Grades API. This tool allows you to track historical changes in analyst ratings for specific stock symbols.
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What getHistoricalStockGrades does on Financial Modeling Prep MCP Server
AI agents call getHistoricalStockGrades 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 getHistoricalStockGrades is rated Low
This tool retrieves historical analyst grade data for stocks. It queries immutable historical records and returns information without creating, modifying, deleting, executing code, or affecting financial transactions. The read-only nature and absence of side effects place it in the Read category with low severity.
From the tool's definition getHistoricalStockGrades description states it 'allows you to track historical changes in analyst ratings for specific stock symbols' — a pure retrieval operation.
Attacks that exploit this kind of access
The rule that runs getHistoricalStockGrades 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 getHistoricalStockGrades, this is the rule to start with:
getHistoricalStockGrades 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 getHistoricalStockGrades call is checked against it from then on.
Questions about getHistoricalStockGrades
Access a comprehensive record of analyst grades with the FMP Historical Grades API. This tool allows you to track historical changes in analyst ratings for specific stock symbols. 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 getHistoricalStockGrades: 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.
getHistoricalStockGrades 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 getHistoricalStockGrades 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 getHistoricalStockGrades. 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.
getHistoricalStockGrades 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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