Get Open, High, Low, Close (OHLC) data for a stock symbol for the last working day or specified date
AI agents call get_stock_ohlc to retrieve information from Tavily Web Search 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 financial market data (OHLC quotes) for analysis purposes. It is a read-only query operation that fetches publicly available stock price information without executing trades, modifying positions, or committing financial obligations. While it relates to financial data, it performs no financial transactions or irreversible operations.
From the tool's definition Tool name 'get_stock_ohlc' and description 'Get Open, High, Low, Close (OHLC) data for a stock symbol' indicate retrieval of historical stock price data with no modification capability.
Attacks that exploit this kind of access
Get Open, High, Low, Close (OHLC) data for a stock symbol for the last working day or specified date. It is categorised as a Read tool in the Tavily Web Search MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Tavily Web Search MCP Server MCP server in PolicyLayer and add a rule for get_stock_ohlc: 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 Tavily Web Search MCP Server. Nothing to install.
get_stock_ohlc 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_stock_ohlc 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_stock_ohlc. 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_stock_ohlc is provided by the Tavily Web Search MCP Server MCP server (neeraj-somani/aie8-mcp-s13). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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