remotion-multimedia

SkillDev tools

This skill teaches an AI agent to use Mediabunny, a browser multimedia library, to inspect media files. It covers reading the duration of audio and video files in seconds and the width and height of video files. Reference docs are included for each task.

Then ask your AI: use the remotion-multimedia skill

Details

Instructions available. Your AI can read the instructions. Execution depends on the setup they require.

Have an AI agent that can load and follow skill instructions.

What your AI can do with it

  • Get the duration of an audio file in seconds with Mediabunny
  • Get the duration of a video file in seconds with Mediabunny
  • Get the width and height of a video file with Mediabunny
  • Follow reference docs for each media inspection task

Getting started

  1. Have an AI agent that can load and follow skill instructions.
  2. Add the skill so the agent can read its instructions and reference docs.
  3. Ask the agent to inspect a media file, such as getting its duration or dimensions.
  4. The agent uses Mediabunny and the matching reference doc to return the value.

What this skill tells your AI

The instructions your AI receives, as published by remotion-dev/remotion in packages/codex-plugin/skills/remotion-multimedia/SKILL.md and read by Ahel’s review.

Mediabunny is a multimedia library for dealing with audio and video in the browser. Here is a compact overview of its capabilities: https://mediabunny.dev/llms.txt

Getting audio duration

See get-audio-duration.md for getting the duration of an audio file in seconds with Mediabunny.

Getting video dimensions

See get-video-dimensions.md for getting the width and height of a video file with Mediabunny.

Getting video duration

See get-video-duration.md for getting the duration of a video file in seconds with Mediabunny.

Signals

GitHub stars
63k
Forks
5k
Last commit
Oct 2026

Questions

What is Mediabunny?
Mediabunny is a multimedia library for dealing with audio and video in the browser. This skill teaches the agent to use it to inspect media files.
What can the agent read from a media file with this skill?
It can get the duration of audio and video files in seconds and the width and height of video files.
Does it work outside the browser?
Mediabunny is a browser multimedia library, so the skill is aimed at browser use.
Where are the instructions for each task?
The skill includes reference docs: get-audio-duration.md, get-video-dimensions.md, and get-video-duration.md.
Advanced
Item type
skill
Key
remotion-multimedia-3
Source
github.com/remotion-dev/remotion