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dluantoday at 9:53 AM2 repliesview on HN

For some context, just presented by Matz at RubyKaigi 2026. It’s experimental but he built it with help from Claude in about a month. Successful live demo.

It’s named after his new cat, which is named after a cat in Card Captor Sakura, which is the partner to another character named Ruby.


Replies

rayinertoday at 1:01 PM

> It’s experimental but he built it with help from Claude in about a month.

We talk a lot about AI building programs from soup to nuts. But I think people overlook the more likely scenario. AI will turn 10x programmers into 100x programmers. Or in Matz’s case maybe 100x programmers into 500x programmers.

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modernerdtoday at 1:03 PM

Thanks! Video doesn't seem to be live yet but they seem to be dripping them out here:

https://www.youtube.com/@rubykaigi4884/videos