Build UIs the simple way.
Jon Udell • 8 Apr 2026
Semantic tracing: how ARIA unlocks debugging, testing, and AI reasoning
AI writes more code than ever. With semantic traces — enriched by ARIA labels — developers, testers, and AIs see exactly what that code does at runtime.
Jon Udell • 20 Feb 2026
Improving the XMLUI MCP server
It's a virtuous cycle and you can help us turn the wheel.
Jon Udell • 19 Dec 2025
Introducing the XMLUI CLI
Your all-in-one tool for working with XMLUI.
Jon Udell • 28 Oct 2025
An XMLUI-powered blog
How we made this blog with a few dozen lines of XMLUI.
Jon Udell • 27 Oct 2025
Reproducible XMLUI
Use playgrounds to infuse docs with live examples, iterate on prototypes, and reproduce bugs.
Jon Udell • 18 Jul 2025