Ultrathink Protocol What this protocol is for Complex technical problems fail in a specific pattern: pattern-match to a plausible fix, apply it, observe it didn't work, apply a variation, repeat. Each iteration feels productive. None produce understanding. The loop can run for hours. The protocol breaks the loop by separating two modes that must not be mixed: - Diagnosis mode — building a verified model of what is actually happening - Implementation mode — applying a fix once the cause is known You cannot enter implementation mode until diagnosis mode has produced a verified cause — meaning y…