I Built a Harness for My AI Agent. Then I Realized I Needed One for Myself.

My agent shipped 12 clean PRs in a weekend. The product still isn't live three weeks later. The harness around the model worked. The harness around me didn't exist. And I think that's the actual story of agentic coding in 2026 — not that the model can't build, but that nothing is holding you to finishing what it builds. What a harness actually is If you've done serious agentic coding, you already know the model alone is useless. A raw LLM is a horse with no harness — wild power, po...