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avatar-video — Claude Code skill: generate videos with avatars

Generate videos with AI avatars by choosing a character, voice, script, and background for each scene. Requires HeyGen API key.

Install into Claude Code · Skills CLI (Vercel) All methods and platforms ↓ 
npx skills add calesthio/OpenMontage --skill avatar-video -a claude-code
Open on GitHub

What avatar-video does

This skill puts you in control: pick an avatar from HeyGen's library, write the script the avatar will speak, select a voice, and set the background—from solid colors to custom images. Build multi-scene videos where each scene can have its own look. Create transparent WebM files for compositing into other projects, add captions and text overlays. Built-in MCP tools manage your videos: check status, download finished files, delete videos.

You need HEYGEN_API_KEY in your environment. The skill prefers HeyGen's MCP tools (mcp__heygen__*) for operations like status checks, but can fall back to direct API calls. The workflow is straightforward: pick your avatar and voice, structure your script, send the generation request, and the skill waits for the video to render (usually 5–15 minutes).

Unlike the create-video skill, which takes a loose idea and lets AI decide everything, avatar-video is for when you need exact control—a specific character, exact words, specific backgrounds.

What it helps with

  • build a multi-scene video with different backgrounds per scene
  • record an exact script spoken by a chosen avatar
  • generate a transparent video for compositing into another project
  • batch-generate videos with identical settings
  • use a photo as a talking presenter in your video

Example prompts for the agent

  • Create a video where avatar Maya delivers our promo pitch with an office background
  • Generate a three-scene video: first with blue background, second with logo, third transparent for editing
  • Write a product demo script and generate it with avatar Josh speaking in English

How to install avatar-video

1Skills CLI (Vercel)

npx skills add calesthio/OpenMontage --skill avatar-video -a claude-code

2Manually: put the files in place

~/.claude/skills/avatar-video/SKILL.md

Copy the whole skill folder; for one project use .claude/skills/avatar-video/

From the same set28

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Questions about avatar-video

How do I install avatar-video in Claude Code?

Run npx skills add calesthio/OpenMontage --skill avatar-video -a claude-code in your terminal, then check ~/.claude/skills/avatar-video/SKILL.md.

What does avatar-video do?

It generates videos with HeyGen AI avatars based on your specifications: you choose the character, provide the script, select a voice, and set backgrounds for each scene. Supports transparent video output and subtitles.

What do I need to use avatar-video?

A HeyGen API key stored in the HEYGEN_API_KEY environment variable. If HeyGen MCP tools (mcp__heygen__*) are available, the skill will use them automatically.

See also

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