Overview
This tutorial provides a comprehensive overview of LangChain Tools, which extend agent capabilities by allowing interaction with external systems. We will cover basic tool definition using decorators, customizing tool names and descriptions, implementing complex input schemas with Pydantic, and accessing runtime context (state, store, context, stream writer) within tools for stateful and context-aware operations. Finally, we explore prebuilt components like ToolNode and tool return value strategies.
Python
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