# AI From Prompt to Editor: Running CE.SDK Inside ChatGPT with the Apps SDK We built a technical demo running CE.SDK directly inside ChatGPT using MCP, showing how AI chats can open real, interactive editors. It highlights strict MCP contracts, visual-first UX, and how chat becomes a coordination layer for doing creative work. Jan Bussieck, Sven Nähler 19 Dec 2025 • 3 min read