LangChain Tools Skill Capabilities - Create custom LangChain tools with proper schemas - Integrate existing tools and APIs - Design tool descriptions for optimal LLM understanding - Implement structured tool inputs with Pydantic - Handle tool errors and fallbacks - Create tool chains and pipelines Target Processes - custom-tool-development - function-calling-agent Implementation Details Tool Creation Patterns 1. @tool decorator : Simple function-based tools 2. StructuredTool : Tools with complex input schemas 3. BaseTool subclass : Full control over tool behavior 4. Tool from functions : Dyna…