Agent = Model + Harness. If you're not the model, you're the harness. If you have shipped...

The Rise of Harness Engineering Harness Engineering has become the defining conversation...

Teams building with AI usually end up building two products: the thing they ship, and the system...

Agent = Model + Harness. If you're not the model, you're the harness. If you have shipped...

On building AI agents and accidentally understanding yourself Introduction We tend to...

Everyone benchmarks the model. Almost nobody benchmarks the harness — the loop, the tool dispatch,...