alt Hacker News> A2UI lets agents send declarative component descriptions that clients render using their own native widgets. It's like having agents speak a universal UI language.
Why the hell would anyone want this? Why on earth would you trust an LLM to output a UI? You're just asking for security bugs, UI impersonation attacks, terrible usability, and more. This is a nightmare.
If done in chat, it's just an alternative to talking to you freeform. Consider Claude Code's multiple-choice questions, which you can trigger by asking it to invoke the right tool, for example.