HarnessTax: How Much Does the Harness Matter for Coding Agents?
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HarnessTax: How Much Does the Harness Matter for Coding Agents?
Unofficial Hacker News client; not affiliated with Y Combinator.
kittikitti · · focus · HN ↗
jedbrooke · · focus · HN ↗
That said, system prompt (which to your point also comes from the human) matters a lot too. For example a coding harness that doesn’t a have a plan mode will keep trying to write underbaked ideas to code instead of working with the user on the plan. That said, a “system prompt” can also be the first prompt you send to the agent in a vanilla chat window, so I do like your point about the user being the real harness