from typing import Callable, Dict, Any, List

class ToolRegistry:
    _tools = []

    @classmethod
    def register(cls, name: str, description: str, parameters: Dict[str, Any] = None):
        def decorator(func: Callable):
            cls._tools.append({
                "type": "function",
                "function": {
                    "name": name,
                    "description": description,
                    "parameters": parameters or {}
                }
            })
            # No need for the wrapper since we're not adding any extra logic
            return func
        return decorator

    @classmethod
    def get_tools(cls, tools: list = None) -> List[Dict[str, Any]]:
        if tools:
            return [tool for tool in cls._tools if tool['function']['name'] in tools]
        else:
            return cls._tools