Building Production AI Agents: Why LangGraph and LangChain Matter More Than You Think

The Problem Nobody Talks About You've probably heard the hype: "AI agents will solve everything." Yet when you try to build one, you hit a wall. The agent hallucinates. It gets stuck in a loop. It calls the wrong tool. Or worse—it does something unpredictable that costs you money. The limitation is not just the LLM itself. The limitation is that building intelligent, reliable agents requires orchestrating a dozen moving parts simultaneously: reasoning, tool execution, state management, error...