A professional AI-driven video extension tool that lengthens existing clips via public HTTPS URLs using the WeryAI API.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install video-tool-extend
2. Manual Installation
Copy the skill folder to one of these locations
~/.openclaw/skills/ <project>/skills/ Priority: Workspace > Local > Bundled
3. Prompt Installation
Copy this prompt to OpenClaw to install it automatically.
Help me install video-tool-extend using Clawhub. If Clawhub is not installed, install it first (npm i -g clawhub).
Prefer to download?
Get the raw skill files in a ZIP archive.
What is WeryAI Video Tool - Extend?
The WeryAI Video Tool Extend skill provides a specialized, self-contained workflow for developers using Openclaw Skills to lengthen existing video content. Unlike traditional text-to-video generators, this skill focuses exclusively on continuing the motion and narrative of an existing video file provided via a public HTTPS URL. It bridges the gap between static short clips and longer cinematic sequences by providing granular control over visual styles and output duration.
This utility is built for precision and reliability, operating through a dedicated Node.js runtime. By leveraging Openclaw Skills architecture, it ensures that video extension tasks are handled with strict environment isolation, requiring only a WeryAI API key and a valid source URL to generate high-quality extensions in styles like anime, cyberpunk, or 3D animation.
WeryAI Video Tool - Extend Use Cases
- Extending short social media clips to meet specific platform duration requirements.
- Creating seamless loops or continuing narrative motion in cinematic video production.
- Applying specific aesthetic styles (like cyberpunk or comic) while lengthening an existing asset.
- Automating video post-production workflows that require sequence continuation without re-rendering original frames.
How WeryAI Video Tool - Extend Works
- The user provides a public HTTPS URL of an existing video along with a descriptive prompt for the extension.
- The skill validates the input parameters, including optional style, resolution, and duration settings.
- A task is submitted to the WeryAI API using the video-extend endpoint via the dedicated Node.js entry script.
- The system either blocks to poll for completion (wait mode) or returns a unique task ID for asynchronous tracking (submit mode).
- Upon completion, the tool provides a direct Markdown link to the newly extended video file.
WeryAI Video Tool - Extend Setup
To integrate this tool within your Openclaw Skills environment, ensure you have Node.js 18+ installed and a valid WeryAI API key.
# Set your environment variable
export WERYAI_API_KEY='your_api_key_here'
# Verify the tool schema and requirements
node scripts/video_extend.js spec
# Perform a dry-run to validate your JSON configuration
node scripts/video_extend.js wait \
--json '{"video_url":"https://example.com/video.mp4","prompt":"Continue the motion naturally"}' \
--dry-run
WeryAI Video Tool - Extend Data Schema & Taxonomy
The skill utilizes a strict JSON input schema for all operations. Data is not read from the local disk to ensure security and portability within Openclaw Skills.
| Parameter | Type | Description | Defaults |
|---|---|---|---|
video_url |
String | Must be a public https:// URL |
Required |
prompt |
String | Text describing the extension | Required |
style |
Enum | anime, 3d_animation, cyberpunk, comic | anime |
resolution |
Enum | 360p, 540p, 720p, 1080p | 720p |
duration |
Integer | 5 or 8 (seconds) | 5 |
WeryAI Video Tool - Extend Advanced Features
- Asynchronous Task Management: Use the submit and status commands to handle long-running video renders without blocking the CLI.
- Dry-Run Validation: Built-in validation to verify JSON payloads before consuming API credits.
- Environment Isolation: Strict enforcement of API key usage, ensuring no local file access or unauthorized network calls occur during the extension process.
- Style Overrides: Support for specific visual enums to transform the aesthetic of the continued video segment.
SKILL.md
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