Joshua McDonaldOct 6, 2026You Probably Need a Scorer, Not Another LLM CallSmall single-purpose models answer one question with one number between 0 and 1. What that number means, how to pick the cutoff, and how to check it against reality.
Joshua McDonaldSep 24, 2026Your AI Model Has a Retirement DateWhat survives a model change, what expires with it, and how to split your team’s effort between the model you ship and the one that replaces it.
Joshua McDonaldSep 16, 2026Your First Month Leading a New Team, Week by WeekRead and ask in week one, test what you heard in weeks two and three, set direction by month one. AI compresses about half the work.
Joshua McDonaldSep 13, 2026Agents Raise the Price of a Big TeamProject Aristotle said how a team works together beats who is on it. Agent-assisted work changes the how. Bigger teams now cost more to coordinate than they used to.
Joshua McDonaldSep 8, 2026The Human in the Loop Is Approving EverythingRouting by risk solves the throughput problem. It does not solve the harder one, which is that reviewers stop reviewing.
Joshua McDonaldSep 1, 2026Four Hours to Build, Five Years to OwnAI cut the cost of building software. It did not cut the cost of owning it, and that is the larger number.
