DeepHub IMBA

Aug 26, 2026 · Artificial Intelligence

Building Agentic Multi-Step RAG for Complex Knowledge Workflows

The article details why single-step RAG fails for complex queries, presents a production-grade multi-step agentic RAG architecture using a DAG state machine, demonstrates a three-iteration Rivian supply chain example, and outlines key engineering principles including explicit state serialization, async execution boundaries, and deterministic evaluation guards.