Dev's bold thesis: all software gets rewritten by and for agents, SaaS ends

zacharynado · x · 2026-10-27

A thread by developer jsnnsa argues software will end up as either entertainment or Claude-to-Claude coordination: no SaaS, no apps, no banks — all software rewritten by agents using low-level APIs humans can't parse, with capital mattering more than talent-picking, and humans finding purpose in creation and exploration. The reblogger contrasts such grand infra promises ("disassemble much of Mercury by 2040") with how few housing units the Bay Area will actually build.

Related event: Developer essay predicts software endgame: agents rewriting everything, no SaaS(3 posts)→

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