YFinance Trader MCP Tool

An MCP (Model Context Protocol) tool that provides stock market data and trading capabilities using the yfinance library.

Features

• Real-time stock quotes
• Company information and financial metrics
• Historical price data
• Symbol search functionality
• Insider transaction tracking

Setup

1. Ensure you have Python 3.10 or higher installed

2. Install dependencies:

pip install -r requirements.txt
# or using pyproject.toml
pip install .

Integration with Cursor

1. In Cursor, go to Settings > MCP
2. Click "+ Add New MCP Server"
3. Fill in the form:
   • Name: "yfinance-trader" (or any name you prefer)
   • Command: python3 /path/to/your/yfinance-trader/main.py

Example command:

python3 /Users/username/projects/yfinance-trader/main.py

(Replace with your actual path to main.py)

1. Click "Add" and restart Cursor if needed

Available Tools

1. get_stock_quote

Get real-time stock quote information:

{
    "symbol": "AAPL",
    "price": 150.25,
    "change": 2.5,
    "changePercent": 1.67,
    "volume": 1234567,
    "timestamp": "2024-03-20T10:30:00"
}

2. get_company_overview

Get company information and key metrics:

{
    "name": "Apple Inc.",
    "sector": "Technology",
    "industry": "Consumer Electronics",
    "marketCap": 2500000000000,
    "peRatio": 25.4,
    "forwardPE": 24.2,
    "dividendYield": 0.65,
    "52WeekHigh": 182.94,
    "52WeekLow": 124.17
}

3. get_time_series_daily

Get historical daily price data:

{
    "symbol": "AAPL",
    "timeSeriesDaily": [
        {
            "date": "2024-03-20T00:00:00",
            "open": 150.25,
            "high": 152.30,
            "low": 149.80,
            "close": 151.75,
            "volume": 12345678
        }
        // ... more data points
    ]
}

4. search_symbol

Search for stocks and other securities:

{
    "results": [
        {
            "symbol": "AAPL",
            "name": "Apple Inc.",
            "type": "EQUITY",
            "exchange": "NASDAQ"
        }
        // ... more results
    ]
}

5. get_recommendations

Get analyst recommendations for a stock:

{
    "symbol": "AAPL",
    "recommendations": [
        {
            "period": "2024-03-15T00:00:00",
            "strongBuy": 15,
            "buy": 20,
            "hold": 8,
            "sell": 2,
            "strongSell": 0
        }
        // ... more periods
    ]
}

6. get_insider_transactions

Get insider trading information:

{
    "symbol": "AAPL",
    "transactions": [
        {
            "date": "2024-03-15T00:00:00",
            "insider": "John Doe",
            "position": "Director",
            "transactionType": "Buy",
            "shares": 1000,
            "value": 150250.00,
            "url": "https://finance.yahoo.com/...",
            "text": "Purchase of 1000 shares",
            "startDate": "2024-03-15",
            "ownership": "Direct"
        }
        // ... more transactions
    ]
}

Error Handling

All tools include proper error handling and will return an error message if something goes wrong:

{
    "error": "Failed to fetch quote for INVALID_SYMBOL"
}

Troubleshooting

If the MCP server is not working in Cursor:

1. Verify the path in your settings is correct and absolute
2. Make sure Python 3.10+ is in your system PATH
3. Check that all dependencies are installed
4. Try restarting Cursor
5. Check Cursor's logs for any error messages

License

MIT License