Get daily time series data for a stock
AI agents call get_daily_time_series to retrieve information from Stock Market 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 time-series data for stocks. It performs a query operation that reads data without creating, modifying, deleting, or executing any actions. The data returned is informational only. No financial transactions, code execution, or destructive operations occur.
From the tool's definition Tool name 'get_daily_time_series' and description 'Get daily time series data for a stock' indicate data retrieval with no modification. Returns historical stock price data from Alpha Vantage API without side effects.
Attacks that exploit this kind of access
Get daily time series data for a stock. It is categorised as a Read tool in the Stock Market MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Stock Market MCP Server MCP server in PolicyLayer and add a rule for get_daily_time_series: 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 Stock Market MCP Server. Nothing to install.
get_daily_time_series 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_daily_time_series 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_daily_time_series. 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_daily_time_series is provided by the Stock Market MCP Server MCP server (sambasboyyyy/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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Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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