The article discusses the use of Streamlit, LangGraph, and Tavily on Hugging Face for building advanced chatbots.The components, including UI configuration and graph-based workflow, are designed to be flexible and easily extendable.Tavily Search is introduced as a smart search engine for AI programs and chatbots, providing real-time and reliable internet searches.The article also mentions the use of agentic retrieval-augmented generation (RAG) to make chatbots smarter by accessing real-time information.