Claude demo: built-in Cowork + Artifacts lets you spin up multiplayer apps with no database work

felixrieseberg · x · 2026-09-18

felixrieseberg shares a 60-second demo: with Claude's built-in Cowork and connected Artifacts, he asked Claude to build a multiplayer game — and it just worked, with database and multiplayer handled automatically. He argues this makes building internal team tools trivially easy.

Related event: Claude's Built-in Cowork Builds Multiplayer Games from a Single Prompt(3 posts)→

Original post →

More from coding & agent

coding & agent channel →