getFullChart
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).
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What getFullChart does on Financial Modeling Prep MCP Server
AI agents call getFullChart 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 getFullChart is rated Low
This is a data retrieval tool that queries historical and current stock price/volume information. The description explicitly indicates read-only access to market data without any capability to execute trades, modify positions, or commit financial obligations. The use of 'Access' and 'Get' combined with the read-only nature of OHLCV data classification makes this a Read operation.
From the tool's definition Tool retrieves 'full price and volume data' and provides 'detailed insights, including open, high, low, close prices, trading volume, price changes, percentage changes, and volume-weighted average price (VWAP)' with no mention of modification, deletion, or…
Attacks that exploit this kind of access
The rule that runs getFullChart 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 getFullChart, this is the rule to start with:
getFullChart 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 getFullChart call is checked against it from then on.
Questions about getFullChart
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 (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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