Unverified90% confidenceFactExact time
Python的@tool装饰器通过setattr在函数对象上挂载__tool_definition__属性，使函数在运行时携带自描述信息
1
Sources
90%
Confidence
Long-term
Relevance
5/21/2026
First Seen
Sources
从零构建Agent框架：四大核心模块拆解与代码实现
bilibili氪金氪氪氪氪5/21/2026
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