Stop Ghosting Your Own Repos: Automate Stale Branch Cleanup with GitHub Actions

Stop Ghosting Your Own Repos: Automate Stale Branch Cleanup with GitHub Actions You know the feeling. You run git branch -a and a wall of text scrolls past. Most of those branches are "temporary" fixes from 2024. Some are features that were merged months ago but never deleted. A few are experiments that died a quiet death. Leaving stale branches lying around isn't just "messy." It slows down your team, makes it harder to find what's actually active, and creates a mental tax every time you look at your repository. In this guide, I'll show you how to automate the audit and cleanup of stale branches using GitHub Actions, so you never have to manually "clean house" again. The Problem with Manual Cleanup Most developers treat branch cleanup like doing the dishes: they wait until the pile is so high they can't ignore it anymore. Then someone spends an hour guessing which branches are safe to delete, occasionally deleting something important by mistake, and inevitably missing half the mess. T