Published onApril 5, 2026Harness is on fire — My simple take on oh-my-openagentAIAgentHarnessLLMoh-my-openagentOpenCodeThe model is the moat. The harness is the bridge. And one format change moved Grok from 6.7% to 68.3% without touching the model. Let me explain why that is either exciting or terrifying depending on your mood.