getUnadjustedChart
Access stock price and volume data without adjustments for stock splits with the FMP Unadjusted Stock Price Chart API. Get accurate insights into stock performance, including open, high, low, and close prices, along with trading volume, without split-related changes.
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What getUnadjustedChart does on Financial Modeling Prep
AI agents call getUnadjustedChart 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 |
|---|---|---|---|
to | string | — | End date (YYYY-MM-DD) |
from | string | — | Start date (YYYY-MM-DD) |
symbol | string | — | Stock symbol |
Parameters from the server's own tool schema.
Why getUnadjustedChart is rated Low
This is a pure data retrieval API that returns historical market data. It has no side effects, cannot modify any data, and poses minimal risk if queried by an AI agent. The most significant misuse would be excessive API calls or data exfiltration, neither of which constitutes a high-severity security risk in typical MCP contexts.
From the tool's definition Tool retrieves historical stock price and volume data (open, high, low, close prices, trading volume) without modifications. Verbs are access/get, indicating data retrieval only. No capability to modify, delete, or execute operations.
Attacks that exploit this kind of access
The rule that runs getUnadjustedChart 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 getUnadjustedChart, this is the rule to start with:
getUnadjustedChart 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 getUnadjustedChart call is checked against it from then on.
Questions about getUnadjustedChart
Access stock price and volume data without adjustments for stock splits with the FMP Unadjusted Stock Price Chart API. Get accurate insights into stock performance, including open, high, low, and close prices, along with trading volume, without split-related changes. It is categorised as a Read tool in the Financial Modeling Prep MCP Server, which means it retrieves data without modifying state.
getUnadjustedChart accepts 3 parameters: to, from, 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 getUnadjustedChart: 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.
getUnadjustedChart 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 getUnadjustedChart 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 getUnadjustedChart. 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.
getUnadjustedChart 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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