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
AI agents call getHistoricalStockGrades to retrieve information from Financial Modeling Prep without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
limit | number | — | Optional limit on number of results (default: 100, max: 1000) |
symbol | string | — | Stock symbol |
Parameters from the server's own tool schema.
Why getHistoricalStockGrades is rated Low
This tool retrieves historical analyst grade data for stocks. It queries existing information without creating, modifying, deleting, or executing any operations. The blast radius of misuse is minimal since providing inaccurate analyst grade information to an AI agent would only lead to poor investment analysis, not direct financial transactions or destructive actions.
From the tool's definition Tool description states 'Access a comprehensive record of analyst grades' and 'track historical changes in analyst ratings' — both retrieval operations with no modification or execution capabilities.
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, 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, 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, which means it retrieves data without modifying state.
getHistoricalStockGrades accepts 2 parameters: limit, symbol. The full parameter table on this page comes from the server's own tool schema.
Register the Financial Modeling Prep 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. 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 (cfocoder/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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