Sometimes you are writing something and need to see how it reads. I got Claude to help me make this quick tool for seeing the variation in sentence length. It also wrote a pretty great sample text which might be worth teaching on its own lol.
link below ↓

Also this took like 15 minutes and most of that was trying to get Sonnet to fix its mistakes. Then I just took the PRD to Opus and it knocked it out first try. The last turn was just asking it to make it look elegant like Edward Tufte would do