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Macos screen recorder system audio

Skill connerkward/macos-screen-recorder-system-audio

Headless macOS screen recorder that captures the main display PLUS system audio via ScreenCaptureKit — no BlackHole/loopback driver, no sudo, just the standard Screen Recording permission. Use when you need to script a screen recording WITH system sound on macOS from the CLI (demos, captures, voice-demo recording) — the case QuickTime and `screencapture -v` can't cover without a virtual audio device.From its SKILL.md

Install
npx -y skills add connerkward/macos-screen-recorder-system-audio

Assembled from the repository path, not quoted from the project. Check it against their README if it does not work.

2 things to look at

  • 1 stars1 stars. Stars are a popularity signal and not a quality one, but at this level it is likely that nobody has read this closely except its author, and you would be relying on your own review.
  • runs commandsInstructs the agent to run 3 commands, including `swiftc -O sck-record.swift -o sck-record` and 2 more.

SKILL.md

1.7 KB, 312 tokens by cl100k_base, as published. Nobody here has run it

macos-screen-recorder (sck-record)

sck-record.swift → compiled sck-record (binary gitignored; built by setup-machine, or swiftc -O sck-record.swift -o sck-record). Records the main display + system audio via ScreenCaptureKit.

./sck-record <out.mp4> <seconds>

The one true differentiator: system audio from the CLI with zero install — no BlackHole / loopback virtual device, no sudo; only the standard Screen Recording permission (granted once to whatever app shells out). It is not a general "better than OBS/Screen Studio" tool — it fills exactly the headless-CLI-with-system-audio gap.

sck-record is the raw capture primitive — it records, nothing more. To polish a recording afterward (idle speed-up, auto-zoom, keystroke chips, smoothed cursor, vertical export), pair it with screenstudio-alternative-skill: record with sck-record --no-cursor <out.mp4> <seconds>, then run its post-production pass on the resulting mp4. (Auto-zoom and keystroke overlays additionally need an input-event log captured during recording, which that skill supplies; sck-record's pixels alone cover idle speed-up, cursor smoothing, and vertical export.)

What ships with it: 8 files

69.7 KB alongside SKILL.md

.claude-plugin/

docs/

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