Get dividends and stock splits for a ticker
AI agents call get_stock_actions to retrieve information from Yahoo Finance 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 financial information (dividends and stock splits) about a stock. It performs a query operation with no side effects, no code execution, no data modification, and no financial transactions. The information returned is read-only market data used for analysis. This falls squarely within the Read category as a data retrieval operation.
From the tool's definition Tool name 'get_stock_actions' and description 'Get dividends and stock splits for a ticker' indicate data retrieval only. Dividends and stock splits are historical market data facts, not actionable financial transactions or operations that modify state.
Attacks that exploit this kind of access
Get dividends and stock splits for a ticker. It is categorised as a Read tool in the Yahoo Finance MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Yahoo Finance MCP Server MCP server in PolicyLayer and add a rule for get_stock_actions: 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 Yahoo Finance MCP Server. Nothing to install.
get_stock_actions 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_actions 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_actions. 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_actions is provided by the Yahoo Finance MCP Server MCP server (refself/yahoo-finance-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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