I Built an AI Agent From Scratch, Then Rebuilt It in LangGraph. Here’s What Broke, and What the Framework Actually Replaced.
Every “build an AI agent” tutorial today starts the same way: pip install langchain, five lines of code, a working demo. It’s fast, and it’s honest about almost nothing. You get a working agent without ever seeing what “agent” actually means. I wanted to understand the mechanism, not just use it. So I built one … Read more