Best practices for Remotion - Video creation in React
SkillScore87Maintained
Automatic
◆Frontend / UI pack
Last verified 9/24/2026
What it changes
Passed 20 of 23 test cases with the skill, and 15 of 23 without it.
Without skill65%
With skill87%
Checks it passed that the model alone missed
uses extractFrames function from mediabunny
uses enableTailwind in remotion configuration
uses getVideoDimensions function from mediabunny
and 2 more in the full report
5 fixed15 passed either way3 still failing0 broke
Pass-rate lift
+22 pp
Tokens
+8%
Agent turns
0%
Response time
-39%
Model gemini-3.6-flashMeasured 9/24/2026v120 of 23 cases passed with skill
Tokens, turns and time describe resource use, not a dollar price.
See it in action
One of 5 test cases the skill fixed. Same model, same prompt, with and without the skill.
1 of 5
Prompt
I need to read the natural pixel width and height of an external MP4 video file prior to laying out my Remotion scene. What utility function inspects video metadata to return dimensions?
What was checked, without and with the skill
Checked
Without skill
With skill
uses getVideoDimensions function from mediabunny
Missed
Passed
case-13 · gemini-3.6-flash · 9/24/2026 · answers are capped and redacted
What's inside
The instructions your model reads when the skill loads.
SKILL.md41 linessingle file
When to use
Use this skills whenever you are dealing with Remotion code to obtain the domain-specific knowledge.
Captions
When dealing with captions or subtitles, load the ./rules/subtitles.md file for more information.
How to use
Read individual rule files for detailed explanations and code examples:
rules/3d.md - 3D content in Remotion using Three.js and React Three Fiber
rules/animations.md - Fundamental animation skills for Remotion
rules/assets.md - Importing images, videos, audio, and fonts into Remotion
rules/audio.md - Using audio and sound in Remotion - importing, trimming, volume, speed, pitch
rules/calculate-metadata.md - Dynamically set composition duration, dimensions, and props
rules/can-decode.md - Check if a video can be decoded by the browser using Mediabunny
rules/charts.md - Chart and data visualization patterns for Remotion (bar, pie, line, stock charts)