Unverified50% confidenceFactExact time
Defining a tool in LangChain requires adding a tool decorator to the function, or inheriting a specific parent class.
1
Sources
50%
Confidence
Long-term
Relevance
9/24/2026
First Seen
Sources
Related Entities
Related Claims
Unverified在LangChain、AutoGen、Semantic Kernel等主流Agent框架中，Skill或Tool被定义为封装特定功能的可调用单元，包含输入输出规范、功能描述和执行逻辑三要素73% similarUnverifiedTool calls need to be wrapped using the ToolNode class provided by LangGraph, while ordinary large model calls can use functions directly.73% similarUnverifiedLangChain将Skill抽象为带有description字段的Tool对象，开发者可通过装饰器或类继承方式注册自定义工具73% similarUnverifiedTraditional Tool Calling relies on structured API interfaces and requires developers to pre-define the input and output format of each tool.71% similarUnverifiedLangChain abstracts skills as Tool objects with a description field, CrewAI defines skill boundaries at the Task level, and the Claude tool specification requires each tool to provide an input_schema and description.71% similar
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