“Vibe coding” this blog

About two years ago, curious about the buzz around generative AI for coding, I asked Claude to fix bugs and optimize the theme I use on the Manual. It spent a good while poking around the theme files. The changes it announced made sense. And how much had been slipping through the cracks! I was living in the future. Super excited, I fired up the modified theme and… the update triggered a fatal error and took the site down. I reverted every change and went on with my life. Unfortunately, I didn’t keep that AI-modified copy, or the pull request in the theme’s repository. You’ll have to take my word for it. Cut to 2026. Curious again, this time because of reports that around the turn of 2025 into 2026 Claude “got really good,” I asked it to find bugs and pending fixes in the theme — the same one as two years ago, just with the various manual updates made by flesh-and-blood humans, almost all of them me. Claude, with the Opus 5.5 “brain,” came back with another enormous list of suggestions…