How We Accidentally Built an Open-Source Alternative to Devin

Episode Summary Dave and Dan tell the origin story of App Vitals — from LiveKit AI-voice tutorials to an AI-transformation consultancy to shipping their own open-source autonomous coding agent. They unpack the 37signals philosophy that shapes how they build, how a mobile-dev side project quietly became Shipwright, and why test readiness is the real on-ramp to autonomous programming. Key Topics The 37signals model — build products for yourselves first, let consulting pay the bills How Shipwright started as a Claude Code plugin and grew into a managed autonomous coding agent Shipwright vs. Devin — open source, runs in your own infrastructure, fully customizable vs. a closed SaaS black box Coding asynchronously in Slack: planning and reviewing while the agent handles execution, PRs, review, and deploy The ski-trip story — building and deploying a website by voice from a chairlift, no laptop Test readiness as Phase Zero: fixing flaky, slow, low-coverage tests before you can trust an agent to ship Notable Quotes "There's no reason to be in a terminal. There's no reason to write code anymore." "While I was skiing, it built a different version of solitaire and deployed it to Vercel — and I never saw my laptop the whole day." "We ship hundreds of PRs a week for us and our clients with no human interaction." About The Velocity Lab Dave O'Dell and Dan McAulay work inside engineering organizations every day helping them ship faster with AI. No hype, no BS — just what's working in the field. Subscribe: RSS