get_major_holders

What get_major_holders does on Yahoo Finance MCP Server

AI agents call get_major_holders 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_major_holders is rated Low

This tool retrieves and queries holder information for a stock symbol without any side effects. It is a read-only operation that fetches factual data about institutional and insider ownership percentages. No data is created, modified, deleted, or executed. The blast radius of misuse is minimal—an agent could only retrieve unwanted information, not cause financial harm or irreversible changes.

From the tool's definition Tool name 'get_major_holders' and description 'Get major holders (insiders, institutions percentage) information' indicates data retrieval only. No modification, deletion, or execution of operations—purely querying publicly available financial information.

The rule that runs get_major_holders 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_major_holders, this is the rule to start with:

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

Questions about get_major_holders