Show HN: Gibbous – Hide the useless parts of GitHub UI

Gibbous, a new Chrome extension, hides the Copilot prompt, changelog, and Home/Feed navigation from GitHub's interface, and adds direct links to open and closed pull requests. It also hides unused tabs and links upstream repositories to forks, with a persistent per-fork network list that can be restored from an eyes menu.

A Chrome extension for hiding the useless parts of GitHub UI. Removes the Copilot prompt, changelog, and Home / Feed navigation. Hides unused tabs and links upstream repositories to your fork. Adds direct links to your open and closed pull requests beside the repository tab. Hides top-level entries on hover. Restore them from the eyes menu. The list persists per fork network.