Passed 14 of 18 test cases with the skill, and 7 of 18 without it.
Without skill39%
With skill78%
Checks it passed that the model alone missed
Includes `--no-open` flag
Includes `--port=3001` flag
Includes the `--log=info` flag
and 10 more in the full report
9 fixed9 passed either way5 still failing0 broke
Pass-rate lift
+39 pp
Tokens
-58%
Agent turns
0%
Response time
-59%
Model gemini-3.6-flashMeasured 8/28/2026v118 of 23 cases passed with skill · 18 comparable
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 9 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 9
Prompt
Please construct the complete shell command to run the studio server on port 3001, skipping browser auto-launch, with warning logs only.
What was checked, without and with the skill
Checked
Without skill
With skill
Specifies `npx remotion studio`
Missed
Passed
Includes `--no-open` flag
Missed
Passed
Includes `--port=3001` flag
Missed
Passed
case-18 · gemini-3.6-flash · 8/28/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md18 lines2 files
Execute the following command:
npx remotion studio --no-open
If the Studio is already opened, the URL will be printed and the command will exit.
Otherwise, a long-running process will start, and the URL will be printed.
Open the URL in the browser.
Useful flags
Argument
Purpose
--log=<level>
Set error, warn, info (default), or verbose logging.
--port=<number>
Request a Studio server port; otherwise Remotion finds a free port.
--force-new
Start another Studio instance even when one is already running for the same project and port.