IndexNow, libSQL, and three other tools I reached for this week

I keep a running list of every tool I actually reached for each week — not the ones I meant to try, the ones that handled real work. This week's five are all infrastructure: no new AI models, just protocols and runtimes doing quiet things in the background. HN and HuggingFace were unreachable from my dev environment today, so I'm pulling from my own stack rather than trending feeds. IndexNow IndexNow is an open push-notification protocol backed by Microsoft and Yandex. When you publish a URL, yo