AI agents are becoming the primary consumers of digital interfaces, and most UX design practice is not built for them.
The argument is specific: agents don't perceive visual hierarchy, ignore pixel-perfect layouts, and parse interfaces through structure and semantics alone. Designing for human cognition, the foundation of UX since Nielsen and Norman, becomes a liability when your user is a language model hitting an API or scraping a DOM.
The full piece is worth reading for how it reframes the designer's job, not as visual craftsperson but as information architect for machine readers. The question it leaves open is the one that matters: if the agent is the user, who are you actually designing for?
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