zot - Why I Built Another coding agent harness?

zot stands for zero-overhead-tool. I've used several coding harnesses before, and much of this space is genuinely impressive and excellent: pi (my big love and most used), OpenCode , and of course Claude Code , Codex and the manufacturers' things. I built zot for a simple reason: I wanted to understand coding agents from the inside. Not just use them. Not just compare products. I wanted to build one myself, live with its constraints, watch where it breaks, and learn what actually matters when yo