Slash 90% of Tokens Per Session With This...

Last June, Karpathy posted something that got 2.3 million views. He said context engineering matters more than prompt engineering specifically, "the delicate art and science of filling the context window with just the right information for the next step." Then last week he posted about building structured markdown knowledge bases that LLMs can reason over. Also went viral. Both ideas point at the same problem: your AI is only as good as the context you give it. And right now, most of us are givi