The braincell blog
Engineering, product, and the future of agentic software. The first posts go live as soon as the first cohort of founders ships.
How braincell ships a working product before lunch
The five-step agent loop (describe, design, build, verify, deploy) and the snapshot/rollback contract that keeps it honest.
Why we run every project in a Vercel microVM
Static previews lie. A real sandbox runs your install scripts, hits real environment variables, and surfaces real failures before deploy.
Routing between Opus 4.7, Sonnet 4.6, and Haiku 4.5
When to send a turn to the biggest model in the room, when to drop to Haiku for a tool call, and how to keep credit usage predictable.
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