I Built Auto Loops Before They Had a Name

Three weeks ago, “loop engineering” became one of the hottest phrases on my feed. Matt Van Horn’s post “WTF Is a Loop? Part 2: The 15 Loops People Are Actually Running” accumulated 3.6 million views and launched dozens of follow-up threads about /loop commands, verifier patterns, and overnight code runners. According to Lev Deviatkin’s widely shared 14-step roadmap from prompter to loop designer, nine out of ten builders have never written a single loop that prompts the agent for them: no automation, no state file, no verifier, no schedule.