Jeff Graber — Field NotesWriting on AI systems, engineering practice, and building things that work.https://jeffgraber.com/AI stays a pilot when nobody defines what working meanshttps://jeffgraber.com/writing/spec-first/https://jeffgraber.com/writing/spec-first/Why spec-first engineering matters more than the model you choose.Tue, 22 Sep 2026 00:00:00 GMTThe state graph is the producthttps://jeffgraber.com/writing/state-graph/https://jeffgraber.com/writing/state-graph/Why logic belongs in deterministic code, not in prompts.Fri, 18 Sep 2026 00:00:00 GMTThirty thousand edge caseshttps://jeffgraber.com/writing/thirty-thousand/https://jeffgraber.com/writing/thirty-thousand/What running a service business teaches you that engineering school doesn't.Thu, 10 Sep 2026 00:00:00 GMTWhat a verification step actually doeshttps://jeffgraber.com/writing/verification/https://jeffgraber.com/writing/verification/On checking AI output before it reaches the user — and why most teams skip it.Fri, 28 Aug 2026 00:00:00 GMT