The 3 Levels of Harness Engineering (Beginner to Pro)

Harness engineering has three levels, and most people building with AI never get past the first. 🎁 Build your own coding harness with my free course in the community: https://skool.com/leonvanzyl 🚀 Agentic Labs — exclusive AI coding courses, live Q&As, workshops & deep dives: https://skool.com/agentic-labs Most people install Claude Code, Codex or OpenCode, add a few rules, and think that's the whole job. That's only level one of harness engineering. The real gains come when you build your own harness, or one that runs a team of agents for you. Do that and you can make small local models