{
    "mcpServers": {
        "stockscreen": {
            "command": "python",
            "args": ["path/to/stockscreen.py"]
        }
    }
}

{
    "screen_type": "technical",
    "criteria": {
        "min_price": float,              # Minimum stock price
        "max_price": float,              # Maximum stock price
        "min_volume": int,               # Minimum average volume
        "above_sma_200": bool,           # Price above 200-day SMA
        "above_sma_50": bool,            # Price above 50-day SMA
        "min_rsi": float,                # Minimum RSI value
        "max_rsi": float,                # Maximum RSI value
        "max_atr_pct": float,            # Maximum ATR as percentage of price
        "category": str                  # Optional: market cap category filter
    },
    "watchlist": str,                    # Optional: name of watchlist to screen
    "save_result": str                   # Optional: name to save results
}

{
    "screen_type": "fundamental",
    "criteria": {
        "min_market_cap": float,         # Minimum market capitalization
        "min_pe": float,                 # Minimum P/E ratio
        "max_pe": float,                 # Maximum P/E ratio
        "min_dividend": float,           # Minimum dividend yield (%)
        "min_revenue_growth": float,     # Minimum revenue growth rate
        "category": str,                 # Optional: market cap category filter
        
        # ETF-specific criteria
        "min_aum": float,                # Minimum assets under management
        "max_expense_ratio": float,      # Maximum expense ratio
        "min_volume": float              # Minimum trading volume
    },
    "watchlist": str,                    # Optional: name of watchlist to screen
    "save_result": str                   # Optional: name to save results
}

{
    "screen_type": "options",
    "criteria": {
        "min_iv": float,                 # Minimum implied volatility (%)
        "max_iv": float,                 # Maximum implied volatility (%)
        "min_option_volume": int,        # Minimum options volume
        "min_put_call_ratio": float,     # Minimum put/call ratio
        "max_spread": float,             # Maximum bid-ask spread (%)
        "min_days_to_earnings": int,     # Minimum days until earnings
        "max_days_to_earnings": int,     # Maximum days until earnings
        "category": str                  # Optional: market cap category filter
    },
    "watchlist": str,                    # Optional: name of watchlist to screen
    "save_result": str                   # Optional: name to save results
}

{
    "screen_type": "news",
    "criteria": {
        "keywords": List[str],           # Keywords to search for in news
        "exclude_keywords": List[str],    # Keywords to exclude from results
        "min_days": int,                 # Minimum days back to search
        "max_days": int,                 # Maximum days back to search
        "management_changes": bool,       # Filter for management changes
        "require_all_keywords": bool,     # Require all keywords to match
        "category": str                  # Optional: market cap category filter
    },
    "watchlist": str,                    # Optional: name of watchlist to screen
    "save_result": str                   # Optional: name to save results
}

{
    "screen_type": "custom",
    "criteria": {
        "category": str,                 # Optional: market cap category filter
        "technical": {
            # Any technical criteria from above
        },
        "fundamental": {
            # Any fundamental criteria from above
        },
        "options": {
            # Any options criteria from above
        },
        "news": {
            # Any news criteria from above
        }
    },
    "watchlist": str,                    # Optional: name of watchlist to screen
    "save_result": str                   # Optional: name to save results
}

{
    "action": str,                       # Required: "create", "update", "delete", "get"
    "name": str,                         # Required: watchlist name (1-50 chars, alphanumeric with _ -)
    "symbols": List[str]                 # Required for create/update: list of stock symbols
}

{
    "name": str                          # Required: name of saved screening result
}

{
    "screen_type": "technical",
    "criteria": dict,                    # Original criteria used
    "matches": int,                      # Number of matching stocks
    "results": [                         # List of matching stocks
        {
            "symbol": str,
            "price": float,
            "volume": float,
            "rsi": float,
            "sma_20": float,
            "sma_50": float,
            "sma_200": float,
            "atr": float,
            "atr_pct": float,
            "price_changes": {
                "1d": float,             # 1-day price change %
                "5d": float,             # 5-day price change %
                "20d": float             # 20-day price change %
            },
            "ma_distances": {
                "pct_from_20sma": float,
                "pct_from_50sma": float,
                "pct_from_200sma": float
            }
        }
    ],
    "rejected": [                        # List of stocks that didn't match
        {
            "symbol": str,
            "rejection_reasons": List[str]
        }
    ],
    "timestamp": str
}