AnecdoteArticle · 21:22 — 31:24

Grace replaced Gmail entirely with a custom inbox she built in Cowork, demoed live, and started building in Claude Code before handing the work off via a Markdown session file.

Grace demonstrated a custom Gmail replacement built in Cowork, and explained how the workflow began in Claude Code and was handed off via Markdown session files. ✦ AI generated

Episode narration · Lenny's Newsletter · 2026-08-10 · original ↗

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How she started building in Claude Code, then handed the work off to Cowork via a Markdown session file

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▦ Gmail ✳ Claude Code ✳ Cowork

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In practice · 1

Grace Clarke runs her entire service business on tools she built with Claude, including a pipeline operator, a proposal maker, and a custom Gmail replacement she created in under 30 minutes.Episode narration · Lenny's Newsletter · conf 70%

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rebuts → People wildly underestimate how hard it is to 'vibe code' your way into real enterprise software, because the hard part is the organizational logic, ownership, and maintenance — not just importing fields and data.Sema Amble · a16z Podcast