[
  {
    "name": "cardiology_search",
    "description": "Search cardiology database containing EKG measurements, arrhythmia guidelines, cardiac physiology, heart failure management, and acute MI case studies.",
    "type": "EmbeddingCollectionSearchTool",
    "fields": {"collection": "cardiology_tutorial"},
    "parameter": {
      "type": "object",
      "properties": {
        "query": {"type": "string", "description": "Search query"},
        "method": {"type": "string", "enum": ["keyword", "embedding", "hybrid"],
                   "default": "hybrid"},
        "top_k": {"type": "integer", "default": 10},
        "alpha": {"type": "number", "default": 0.5}
      },
      "required": ["query"]
    } 
  }
]