Unverified50% confidenceFactExact time
Under the LangChain framework, defining a tool only requires writing a regular function with a description and a @tool decorator, and its description is serialized into a Function Calling format understandable by large language models.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
8/14/2026
First Seen
Valid until: 11/12/2026
Sources
LangChain 1.3实战入门：生态架构与Agent开发全解析
Related Claims
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