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Start and stop screen recording using ffmpeg.
Passed 19 of 21 test cases with the skill, and 11 of 21 without it.
and 9 more in the full report
8 fixed12 passed either way2 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 8 test cases the skill fixed. Same model, same prompt, with and without the skill.
Which specific line numbers in record.py contain hardcoded paths to the media processing binary?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies line 59 as a hardcoded location | Missed | Passed |
| Identifies line 152 as a hardcoded location | Missed | Passed |
| Identifies line 204 as a hardcoded location | Missed | Passed |
The instructions your model reads when the skill loads.
Start and stop screen recording using ffmpeg.
Usage: /screen-record start or /screen-record stop
The user asks to record the screen to a video over time (demo, bug repro, walkthrough). For a single still frame, use the screen-capture path instead.
If argument is start:
python3 skills/screen-record/scripts/record.py start
If argument is stop:
python3 skills/screen-record/scripts/record.py stop
.mov written by record.py to /tmp/sutando-recording-<ts>.mov (it prints the path on stop).start while already recording → the script no-ops and returns the existing pid + path; a stale PID file (previous run crashed) is detected and cleared, so it self-heals rather than wedging; stop with nothing running → no-op./opt/homebrew/bin/ffmpeg (hardcoded in three places — record.py:59 device-listing, :152 the recording call, :204 the audio check. Apple Silicon brew prefix; on an Intel Mac brew install ffmpeg lands in /usr/local and the skill stays broken until all three are fixed — patching only the recording call still fails at device-listing before recording starts). No frames / black video → the invoking terminal lacks macOS Screen Recording permission (same grant the screen-capture server uses).test cases passed, vs 11 / 21 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.