Tarun Uppu — notes

Working notes on system design, AI agents, and backend engineering, written up properly for anyone else working through the same material.

• Foundations — RAG, LangChain, and LangGraph
• Agent patterns — React, plan-and-execute, reflection, memory
• Multi-agent — supervisor, sequential pipeline, debate
• Tool use — function calling, MCP, graph state machines, human-in-the-loop