Every post on this site gets read by a machine before it gets read by you. The prompt doing the reading isn’t mine — it’s Simon Willison’s Proofreader prompt . I’ve just put it into a Claude Skill, so instead of digging up the prompt and pasting it in, I invoke it in Claude:
/proofread content/posts/my-post/index.md
You can find it here .
I’ve also ported his alt text prompt into a write-alt-text skill . I’ve made a few changes to suit my needs — for example, the skill updates the cover image itself, so I review the result instead of having to ask for it first.
Want to try them? Here’s how - they are not on a plugin marketplace yet, so it’s a symlink for now.