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built it in spring 2026--ready to share today.use opus 4.8 to create css and js snipptes to style the websites you visit the way you want. make nytimes more print-like, hn more matrix, or just replace any mention of AI with the :poop-emoji" -- your call.
Comments (5)
opus generating css on demand fills a real gap, browser styling tools are stale
opus 4.8 generating the snippets is smart, assumes it receives full DOM context
matrix mode for hn would be incredible
shipping a userstyle generator powered by opus is bold. specificity wars must be real
what stops injected js from accessing sensitive page data?
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