AI-native infinite-canvas design tool: describe an app, get multi-screen HTML designs on an infinite canvas, click through them as a prototype, and let your local coding agent read and write the canvas over MCP.
Pro-grade UI design built into the coding agent you already use — GitHub Copilot Chat, Claude Code, Codex, Cursor. 270+ design skills, 150+ brand design systems, 160+ remixable examples. No desktop app, no daemon, no API keys — just files in your repo.