The yfinance MCP server allows LLMs to access real-time financial data, including stock and cryptocurrency prices and news. It leverages the Model Context Protocol (MCP) to provide accurate, current information to LLMs, enhancing their ability to provide informed and up-to-date responses to user queries about financial markets. It offers tools to fetch price and news data for specific tickers, making it a valuable resource for financial analysis and reporting within LLM applications.