Building a Tool-Augmented RAG Agent with Session Memory

This is Part 5 of a 5-part series on building a production-grade RAG system. Part 1 - Hybrid RAG Overview Part 2 - Semantic Chunking vs Fixed Chunking Part 3 - Custom Reranking: Combining Dense and Sparse Scores Part 4 - Parent-Child Document Architecture Part 5 - Building a Tool-Augmented RAG Agent (you are here) The pipeline built across the previous four articles - hybrid search, semantic chunking, parent-child indexing, and custom reranking - is powerful. But it only answers one question at a time.