get_ma_data

What get_ma_data does on Yahoo Finance MCP Server

AI agents call get_ma_data to retrieve information from Yahoo Finance MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Why get_ma_data is rated Low

This tool retrieves M&A (mergers and acquisitions) information from Yahoo Finance. It performs a data lookup/query with no side effects on the underlying financial data. No creation, modification, deletion, or financial transaction occurs. The low severity reflects minimal risk from misuse—an AI agent could retrieve M&A data but cannot cause harm beyond potential information disclosure or API rate limiting.

From the tool's definition Tool name 'get_ma_data' with description '获取并购信息' (get M&A data/information) indicates data retrieval. The verb 'get' and context of a Yahoo Finance server retrieving financial data confirm this is a read-only query operation.

The rule that runs get_ma_data safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Yahoo Finance MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For get_ma_data, this is the rule to start with:

{
  "version": "1",
  "default": "deny",
  "tools": {
    "get_ma_data": {}
  }
}

Questions about get_ma_data