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it-ram-doctor

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Process tails that hold memory for nothing: finds them and, on the owner's word, kills them. Use on "slow", "swap", "low memory", "kill the tails", "clean up memory", "ram doctor", and after closing heavy apps.

skills/it-ram-doctor/SKILL.md

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Nov 11, 2026

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Nov 10, 2026
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MIT

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# it-ram-doctor

The snapshot only reads; step 4 kills, and only on the owner's word.

## When memory is short

"13 of 16 GB used" and the swap size do not show load: macOS keeps memory busy with cache and compression, and swap does not shrink until a reboot. Memory is short when any of these holds:

- pressure: `sysctl kern.memorystatus_vm_pressure_level` is 4 or stays at 2 for long ([threshold](https://github.com/anthropics/claude-code/issues/73834): on Apple silicon 2 appears under ordinary compression); `memory_pressure | tail -1` shows less than 25–30% free;
- `Swapouts` in `vm_stat` grow between two readings a minute apart;
- swap grows three readings in a row.

No signs: clean only on a direct request. Measure a process by `top -o mem` or `footprint`; `ps` understates the compressed part.
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