Get historical OHLCV data for a symbol.
AI agents call get_historical_data to retrieve information from IB Portfolio Tracker 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 price and volume data for a financial instrument. It performs a query operation with no ability to modify positions, execute trades, delete data, or move money. The action is read-only and produces no side effects beyond returning requested historical market information. This is classic Read category behavior.
From the tool's definition Tool name 'get_historical_data' and description 'Get historical OHLCV data for a symbol' indicate data retrieval with no modification or side effects. OHLCV (Open, High, Low, Close, Volume) is standard market historical data.
Attacks that exploit this kind of access
Get historical OHLCV data for a symbol. It is categorised as a Read tool in the IB Portfolio Tracker MCP Server MCP Server, which means it retrieves data without modifying state.
Register the IB Portfolio Tracker MCP Server MCP server in PolicyLayer and add a rule for get_historical_data: 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 IB Portfolio Tracker MCP Server. Nothing to install.
get_historical_data 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 get_historical_data 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 get_historical_data. 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.
get_historical_data is provided by the IB Portfolio Tracker MCP Server MCP server (vinbg/ib-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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