You've Been Doing Harness Engineering All Along

If you used LLMs for coding before the coding agents (~prior to Claude Code release in Feb last year), and if you got annoyed with typing the same context into LLM chat boxes, you&rsquo;d start saving it into per-project markdown files. Many of those who used LLMs heavily ended up doing this eventually. Then we got Claude Code and other agents, and by mid-summer, this technique got formalized as…