ArticleResearch10 min
Quality Is a Harness Property, Not a Model Property
One night, our agent fleet made 12 wrong or almost-wrong claims. All 12 were caught; none shipped. An honest account of the harness — probes at the authority source, verifiers separate from generators, hooks that block, typed state over prose — that made a set of individually fallible agents collectively trustworthy, with the line drawn carefully at exactly where the evidence stops.
agent harnessmulti-agent systemsAI reliability+3
Asif Waliuddin
Jul 19, 2026
