SkillsAdd

calesthio/openmontage

create-video

Create videos from a text prompt using HeyGen's Video Agent. Use when: (1) Creating a video from a description or idea, (2) Generating explainer, demo, or marketing videos from a prompt, (3) Making a video without specifying exact avatars, voices, or scenes, (4) Quick video prototyping or drafts, (5) One-shot prompt-to-video generation, (6) User says "make me a video" or "create a video about X".

First seen Apr 4, 2026

Installation

$ npx skills add calesthio/openmontage --skill create-video
View on skills.sh ↗ GitHub repository ↗

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Also in this package

Other skills from calesthio/openmontage · top by installs.

npx skills add calesthio/openmontage
video-edit 9 video-understand 7 ai-video-gen 7 video-download 7 remotion 7 text-to-speech 7 svg-character-animation 7 seedance-2-0 7 ffmpeg 8 video-toolkit 7

Browse all from calesthio/openmontage

More details

Agent compatibility

Declared targets from SKILL.md / docs. Unmarked agents are not listed — the skill may still install via the CLI.

Claude Code Not declared
Cursor Not declared
Codex Not declared
GitHub Copilot Not declared
Windsurf Not declared
Gemini CLI Not declared
Cline Not declared
OpenCode Not declared

Repository health

Stars 56.6K
License LICENSE
Default branch main
Open issues 96
Status Active

Skill metadata

Parsed from SKILL.md frontmatter.

Allowed toolsmcp__heygen__*
Declared agents clawdbot
More metadata
openclaw
{"requires":{"env":["HEYGEN_API_KEY"]},"primaryEnv":"HEYGEN_API_KEY"}

Package contents

Files included with this skill beyond the listing page.

  • skill md SKILL.md 5,359 B
  • docs SUMMARY.md 418 B

History

  1. First seen on skills.sh
  2. First recorded snapshot · 673 installs

SKILL.md

Create Video

Generate complete videos from a text prompt. Describe what you want and the AI handles script writing, avatar selection, visuals, voiceover, pacing, and captions automatically.

Authentication

All requests require the X-Api-Key header. Set the HEYGENAPIKEY environment variable.

curl -X POST "https://api.heygen.com/v1/video_agent/generate" \
  -H "X-Api-Key: $HEYGEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"prompt": "Create a 60-second product demo video."}'

Tool Selection

If HeyGen MCP tools are available (mcpheygen*), prefer them over direct HTTP API calls — they handle authentication and request formatting automatically.

Task MCP Tool Fallback (Direct API)
Generate video from prompt mcpheygengeneratevideoagent POST /v1/video_agent/generate
Check video status / get URL mcpheygenget_video GET /v2/videos/{video_id}
List account videos mcpheygenlist_videos GET /v2/videos
Delete a video mcpheygendelete_video DELETE /v2/videos/{video_id}

If no HeyGen MCP tools are available, use direct HTTP API calls as documented in the reference files.

Default Workflow

Always use [prompt-optimizer.md](references/prompt-optimizer.md) guidelines to structure prompts with scenes, timing, and visual styles.

With MCP tools:

  1. Write an optimized prompt using [prompt-optimizer.md](references/prompt-optimizer.md) → [visual-styles.md](references/visual-styles.md)
  2. Call mcpheygengeneratevideoagent with prompt and config (durationsec, orientation, avatarid)
  3. Call mcpheygengetvideo with the returned videoid to poll status and get the download URL

Without MCP tools (direct API):

  1. Write an optimized prompt using [prompt-optimizer.md](references/prompt-optimizer.md) → [visual-styles.md](references/visual-styles.md)
  2. POST /v1/video_agent/generate — see [video-agent.md](references/video-agent.md)
  3. GET /v2/videos/<id> — see [video-status.md](references/video-status.md)

Quick Reference

Task MCP Tool Read
Generate video from prompt mcpheygengeneratevideoagent [prompt-optimizer.md](references/prompt-optimizer.md) → [visual-styles.md](references/visual-styles.md) → [video-agent.md](references/video-agent.md)
Check video status / get download URL mcpheygenget_video [video-status.md](references/video-status.md)
Upload reference files for prompt — [assets.md](references/assets.md)

When to Use This Skill vs Avatar Video

This skill is for prompt-based video creation — describe what you want, and the AI handles the rest.

If the user needs precise control over specific avatars, exact scripts, per-scene voice/background configuration, or multi-scene composition, use the avatar-video skill instead.

User Says This Skill Avatar Video Skill
"Make me a video about X" ✓
"Create a product demo" ✓
"I want avatar Y to say exactly Z" ✓
"Multi-scene video with different backgrounds" ✓
"Transparent WebM for compositing" ✓

Reference Files

Core Workflow

  • [references/prompt-optimizer.md](references/prompt-optimizer.md) - Writing effective prompts (core workflow + rules)
  • [references/visual-styles.md](references/visual-styles.md) - 20 named visual styles with full specs
  • [references/prompt-examples.md](references/prompt-examples.md) - Full production prompt example + ready-to-use templates
  • [references/video-agent.md](references/video-agent.md) - Video Agent API endpoint details

Foundation

  • [references/video-status.md](references/video-status.md) - Polling patterns and download URLs
  • [references/webhooks.md](references/webhooks.md) - Webhook endpoints and events
  • [references/assets.md](references/assets.md) - Uploading images, videos, audio as references
  • [references/dimensions.md](references/dimensions.md) - Resolution and aspect ratios
  • [references/quota.md](references/quota.md) - Credit system and usage limits

Best Practices

  1. Optimize your prompt — The difference between mediocre and professional results depends entirely on prompt quality. Always use the prompt optimizer
  2. Specify duration — Use config.duration_sec for predictable length
  3. Lock avatar if needed — Use config.avatar_id for consistency across videos
  4. Upload reference files — Help the agent understand your brand/product
  5. Iterate on prompts — Refine based on results; Video Agent is great for quick iterations