compose-video

Compose multiple video clips into a single render with FFmpeg.

3.9k|784|Updated Feb 7, 2026
One-click install
npx skills add https://github.com/ArcReel/ArcReel --skill compose-video
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: compose-video
Source: https://github.com/ArcReel/ArcReel/tree/main/agent_runtime_profile/.claude/skills/compose-video
Command: npx skills add https://github.com/ArcReel/ArcReel --skill compose-video

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) components.

What problem does it solve?

Video post-production often requires stitching multiple clips, adding background music, and applying transitions; this skill automates that workflow to save time and ensure consistency.

Core Features & Use Cases

  • Post-process and concatenate multiple video clips with optional transitions (cut, fade, dissolve, wipe) using FFmpeg.
  • Add background music and adjust volumes, while preserving video quality, exporting to an output directory.
  • Use case: assemble a multi-episode video with consistent styling, intro/outro, and reliable fallback in case of transition failures.

Quick Start

Produce a final episode video by stitching scenes and assets in your project.

Frequently Asked Questions about compose-video

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate video post-production to stitch multiple clips together?

Automating video post-production involves composing multiple clips into a single final render with optional transitions like cut, fade, dissolve, or wipe. This ensures consistent scene assembly and concatenation while saving time.

Can I add background music and headers to video clips using ffmpeg?

Yes, you can add background music, adjust audio volumes, and include headers or footers when processing video clips. The skill relies on ffmpeg and local scripts to validate input assets and apply these elements during the final render.

What happens if ffmpeg transitions fail during video assembly?

If ffmpeg transitions fail during video assembly, the skill provides a reliable fallback mechanism to gracefully handle missing files or transition failures. This ensures your multi-episode video still renders without interruption.

Do I need ffmpeg installed to compose multiple video scenes with transitions?

Yes, you need ffmpeg installed because the skill specifies dependencies on ffmpeg and local scripts to process and concatenate clips. It validates input assets and relies on ffmpeg to apply cross-clip transitions and background music.

What is the best way to assemble a multi-episode video with consistent styling?

The best way to assemble a multi-episode video with consistent styling is to automate the workflow by stitching scenes and assets together. This includes adding intros, outros, background music, and reliable transition fallbacks for a final export.