I also wrote about how Claude was able to basically learn the language from scratch and write those fully compilable Shortcuts for me [1] because it was mind boggling to me that an LLM can do that. Curiously, this is becoming more and more normal in my mind.
[0] https://lowtechguys.com/crank
[1] https://alinpanaitiu.com/blog/how-good-is-claude-really/#che...
(That's what held me back most for spending more effort on shortcuts.)