{
  "type": "macd",
  "name": "MACD Strategy",
  "description": "Moving Average Convergence Divergence strategy that generates signals based on MACD line crossovers with the signal line and zero line.",
  "category": "trend_following",
  "parameter_schema": {
    "fast_period": {
      "type": "int",
      "description": "Fast EMA period for MACD calculation",
      "min": 5,
      "max": 30,
      "default": 12,
      "required": true
    },
    "slow_period": {
      "type": "int",
      "description": "Slow EMA period for MACD calculation",
      "min": 15,
      "max": 50,
      "default": 26,
      "required": true
    },
    "signal_period": {
      "type": "int",
      "description": "Signal line EMA period",
      "min": 5,
      "max": 20,
      "default": 9,
      "required": true
    },
    "signal_type": {
      "type": "str",
      "description": "Type of MACD signal to use",
      "options": ["line_cross", "zero_cross", "histogram"],
      "default": "line_cross",
      "required": true
    },
    "histogram_threshold": {
      "type": "float",
      "description": "Minimum histogram value for signal confirmation",
      "min": 0.0,
      "max": 1.0,
      "default": 0.0,
      "required": false
    }
  },
  "default_parameters": {
    "fast_period": 12,
    "slow_period": 26,
    "signal_period": 9,
    "signal_type": "line_cross",
    "histogram_threshold": 0.0
  },
  "metadata": {
    "required_indicators": ["macd"],
    "timeframes": ["1h", "4h", "1d"],
    "market_conditions": ["trending", "volatile"],
    "risk_level": "medium",
    "difficulty": "intermediate",
    "signals": {
      "buy": "MACD line crosses above signal line (or zero line)",
      "sell": "MACD line crosses below signal line (or zero line)",
      "confirmation": "Histogram supports signal direction"
    },
    "performance_notes": "Effective in trending markets but may lag during rapid price changes"
  },
  "validation_rules": {
    "fast_period_less_than_slow": {
      "rule": "fast_period < slow_period",
      "message": "Fast period must be less than slow period"
    },
    "valid_signal_type": {
      "rule": "signal_type in ['line_cross', 'zero_cross', 'histogram']",
      "message": "Signal type must be one of: line_cross, zero_cross, histogram"
    }
  }
}