The Custom Python MCP Server is a simple implementation of the Model Context Protocol (MCP) that provides stock price information using the yfinance library. This server can be used with PraisonAI agents to retrieve real-time stock prices.
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import yfinance as yffrom mcp.server.fastmcp import FastMCPmcp = FastMCP("stock_prices")@mcp.tool()async def get_stock_price(ticker: str) -> str: """Get the current stock price for a given ticker symbol. Args: ticker: Stock ticker symbol (e.g., AAPL, MSFT, GOOG) Returns: Current stock price as a string """ if not ticker: return "No ticker provided" try: stock = yf.Ticker(ticker) info = stock.info current_price = info.get('currentPrice') or info.get('regularMarketPrice') if not current_price: return f"Could not retrieve price for {ticker}" return f"${current_price:.2f}" except Exception as e: return f"Error: {str(e)}"if __name__ == "__main__": mcp.run(transport='stdio')