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Agent: Upgrading Harness Engineering to Cognitive Engineering

This story is from 2026-09-17. It is preserved in the archive; the latest stories are on the live feed.

Introduction Agent engineering has evolved through three distinct stages: Prompt Engineering, Context Engineering, and Harness Engineering. Each phase solved the core bottlenecks of its era. This article introduces two foundational concepts — cognition and metacognition, then re-examines what the t…

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  1. 2026-09-17 07:48 · DEV Community — AI
    Agent: Upgrading Harness Engineering to Cognitive Engineering

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