Everyone builds AI agents, almost nobody builds the harness around them
alex_verem · x · 2026-09-23
A widely shared thread by mardehaym argues that while every company is building AI agents right now, almost none are building the harness around them. The author lists 10 things a harness does that a model never will, and urges readers to save the list before their next vendor demo. The full 10-point breakdown lives in the original thread.
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