Fetches daily adjusted time series data for a stock symbol.
AI agents call coreStock_dailyAdjusted to retrieve information from MCP Avantage without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The tool retrieves historical stock price data without creating, modifying, deleting, or executing any operations. While the server provides financial data, this specific tool only reads and returns time series information. The 'Fetches' verb confirms data retrieval. No irreversible actions, code execution, or financial transactions occur—it is purely informational.
From the tool's definition Tool name 'dailyAdjusted' and description 'Fetches daily adjusted time series data for a stock symbol' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
Fetches daily adjusted time series data for a stock symbol. It is categorised as a Read tool in the MCP Avantage MCP Server, which means it retrieves data without modifying state.
Register the MCP Avantage MCP server in PolicyLayer and add a rule for coreStock_dailyAdjusted: 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 MCP Avantage. Nothing to install.
coreStock_dailyAdjusted 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 coreStock_dailyAdjusted 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 coreStock_dailyAdjusted. 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.
coreStock_dailyAdjusted is provided by the MCP Avantage MCP server (missionsquad/mcp-avantage). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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