Access full price and volume data for any stock symbol using the FMP Comprehensive Stock Price and Volume Data API. Get detailed insights, including open, high, low, close prices, trading volume, price changes, percentage changes, and volume-weighted average price (VWAP).
AI agents call getFullChart 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 historical and current stock price/volume data through a public financial data API. It performs no writes, deletes, executes code, or financial transactions. The data returned (OHLC prices, volume metrics) are informational only. Misuse would expose publicly available financial information rather than cause harm through data modification or financial commitments.
From the tool's definition Tool description explicitly states it 'Access[es]' and 'Get[s]' price and volume data, retrieving open, high, low, close prices, trading volume, and VWAP—all read-only data retrieval with no modifications, deletions, or side effects.
Attacks that exploit this kind of access
Access full price and volume data for any stock symbol using the FMP Comprehensive Stock Price and Volume Data API. Get detailed insights, including open, high, low, close prices, trading volume, price changes, percentage changes, and volume-weighted average price (VWAP). 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 getFullChart: 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.
getFullChart 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 getFullChart 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 getFullChart. 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.
getFullChart 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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