Why Your Mac Says the Disk Is Full When It Isn't
Purgeable space, local snapshots, and the gap between what Finder reports and what the filesystem can actually hand back.
Giving Claude Code Access to Your Mac's System State
Coding agents cannot see the machine they run on. An MCP server that exposes disk, process, and history data closes that gap.
What macOS System Data Actually Contains
The System Data bucket in Storage Settings is a leftovers category, not a system folder. Here is what lands in it and what is safe to clear.
How to Safely Clear Xcode DerivedData and Caches
Which Xcode directories are safe to delete, which cost you a long rebuild, and which will break code signing if you touch them.
node_modules Is Eating Your Disk. How to Reclaim It Safely
Why dependency directories grow without bound across projects, and how to reclaim the space without breaking a project you still work on.
How to Find Duplicate Files on a Mac
Name matching finds almost nothing. Content hashing finds the real duplicates, and hardlink awareness stops you deleting the same bytes twice.
Leftover Files After Uninstalling Mac Apps
Dragging an app to the Trash leaves preferences, caches, containers, and launch agents behind. Here is where they live and how to find the orphans.
What Is Using Port 3000 on Your Mac
Address already in use, and the process holding it is not the one you think. How to find the owner and what to check before killing it.
How to See Which Process Is Using Your Network on macOS
Activity Monitor shows totals since launch, not current rate. Here is how to find what is saturating the connection right now.
Choosing a Mac Cleanup Tool Beyond CleanMyMac
What to actually evaluate in a cleaner: what it can reach, whether it shows you the files first, and what happens to your data.