“Context libraries must evolve to remain useful, but unlike humans, they can’t adapt on their own.”

“At PostHog, our context engineers started out as technical writers.”

“I build skills by sitting with senior efficiency engineers and codifying how they actually reason: the checks they run, the signals they trust, the order they investigate in”

“The highest-value design work this year was in making the system itself unambiguous, because every product and every AI tool inherits its clarity, or its mess.”

“These are helpful checks, not guarantees: accessibility, interaction states and whole flows still need a person to review.”