The Evolution of the Agent Harness: Models Are Absorbing Scaffolding Into Their Weights
daniel_mac8 · x · 2026-09-04
Dan McAteer argues the late-2025 agent breakthrough came from model capability and harness improvements crossing at the right moment. Models keep absorbing the harness into their weights, engineers keep deleting what's absorbed, and what remains will be a harness for human attention rather than for the model.
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