Essays on harness engineering, AI-assisted development, and building software systems that actually ship.https://john.davenport.rocks/en-ushttps://john.davenport.rocks/blog/harness-engineering/https://john.davenport.rocks/blog/harness-engineering/The model is not your bottleneck. After building two production apps with zero human-written code, I'm convinced the harness — the constraints, verification loops, and enforcement around the model — is the whole game.Sun, 26 Jul 2026 00:00:00 GMTharness engineeringai codingagentic codingverificationelixirclaude codejohns10@gmail.com (John Esten Davenport)