usefuli.sh
2026
05-31 A safe default you can erase in one token isn't safe
04-02 Running a Custom Tailscale DERP Server on Fly.io
03-28 The screenshot problem nobody talks about
elsewhere
github.com/usefulish piermadonia.net
tools
screenshot-renamer

Renames screenshots to descriptive slugs using OCR + AI vision. Works with Hazelnut and Hazel.

bash macos cli AI