Financial Data MCP Server

A Model Context Protocol (MCP) server that provides AI assistants with real-time financial market data through Yahoo Finance.

Features

• Stock Data: Current prices, historical data, market metrics
• Options: Options chains with strikes, prices, and volume
• Technical Analysis: Moving averages, RSI, Sharpe ratio
• Comparisons: Compare multiple stocks across metrics

Installation

pip install "mcp[cli]" yfinance pandas numpy

Configuration

Add to Claude Desktop config:

{
  "mcpServers": {
    "financial-data": {
      "command": "python",
      "args": ["path/to/server.py"],
      "env": {
        "PYTHONUNBUFFERED": "1"
      }
    }
  }
}

Available Tools

• get_stock_price - Current price and metrics
• get_historical_data - Historical price data
• get_options_chain - Options data for calls/puts
• calculate_moving_average - SMA/EMA calculations
• calculate_rsi - Relative Strength Index
• calculate_sharpe_ratio - Risk-adjusted returns
• compare_stocks - Multi-stock comparison
• clear_cache - Clear cached data

Usage Examples

"What's the current price of AAPL?"
"Show me TSLA's 50-day moving average"
"Compare AAPL, MSFT, and GOOGL performance"
"Get SPY options expiring this Friday"

Troubleshooting

• Missing modules: Run pip install yfinance pandas numpy "mcp[cli]"
• No data: Verify ticker symbol and internet connection
• Server issues: Check Python path in config, restart Claude Desktop

Notes

• Data from Yahoo Finance (15-20 minute delay)
• Automatic caching and rate limiting
• For informational purposes only

License

MIT License