A coding agent on your laptop stops the moment you close the lid. Which is fine for a quick edit — and quietly frustrating the moment you want it to grind through a long refactor, churn a test suite, or keep going while you go do something else. Move it to a server and that limitation just disappears: it works while you sleep, survives your wifi dropping, and hands you the result when you're back. This covers which VPS actually fits a coding agent — Claude Code, Cursor's CLI, Cline, OpenCode or ...