Guillermo Rauch says your software factory should be a monorepo.

He posted that design, marketing, sales, engineering and support context all belong in a single repo for agents to build on, quoting Turborepo's repositioning as "the build system for agentic coding." 3,190 likes, 320K views. (X) It's a sharper version of the context-engineering argument than the usual CLAUDE.md advice: the unit of agent context is the company, not the service. It also puts Vercel's build tooling on a collision course with the polyrepo default most orgs run, which is convenient for Vercel and inconvenient for anyone with a hard org boundary between marketing and prod.