A high-efficiency tool for creating WeChat-optimized images like covers and charts without relying on expensive image generation tokens.
Install & Download
1. ClawHub CLI
The fastest way to install a skill directly from the registry.
npx clawhub@latest install wechat-image-generator
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 wechat-image-generator 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 WeChat Image Generator?
The WeChat Image Generator is a specialized utility designed for content creators and developers who need to streamline their social media workflow. By utilizing pre-built HTML and CSS templates rather than generative AI models, this extension within the Openclaw Skills ecosystem produces high-quality visuals for WeChat articles at a fraction of the usual cost. It bridges the gap between raw data and professional presentation by automating the rendering and screenshot process.
This skill is particularly effective for those who want to maintain brand consistency without the unpredictability or high API costs associated with traditional AI image generators. By leveraging local rendering, it ensures that your article covers, comparison graphics, and data charts are perfectly formatted for WeChat's specific platform requirements every time.
WeChat Image Generator Use Cases
- Creating eye-catching cover images for WeChat Official Account articles with custom titles and subtitles.
- Generating side-by-side comparison graphics to demonstrate product features, code transformations, or before-and-after scenarios.
- Visualizing data trends through charts for technical blog posts or performance reports.
- Producing social media assets quickly using predefined templates to ensure visual consistency across a publication.
How WeChat Image Generator Works
- The user triggers the skill by providing parameters such as text, data points, or labels to the underlying Python generator script.
- The script processes the input and populates a local HTML template with the provided metadata and embedded styles.
- The Openclaw Skills browser tool is invoked to open the generated HTML file in a controlled environment.
- An automated screenshot is captured from the browser view and saved directly to the designated output folder as a high-resolution PNG image.
WeChat Image Generator Setup
To get started, ensure you have Python 3 installed on your system. This skill requires the Openclaw browser tool to handle the auto-screenshot functionality. Use the following command structure to generate your first asset:
# Example for generating an article cover
python3 scripts/generate.py cover \
--title "My Project Title" \
--subtitle "Optimized via Openclaw Skills" \
--output output/cover.png
WeChat Image Generator Data Schema & Taxonomy
The skill organizes its output and processes data through a structured CLI interface. Below is a breakdown of how different image types are handled:
| Image Type | Key Parameters | Output Type |
|---|---|---|
| Cover Image | --title, --subtitle | PNG |
| Comparison | --left, --right, --label | PNG |
| Data Chart | --data, --labels | PNG |
All generated files are stored in the local /output directory, allowing for easy integration into your Openclaw Skills automated workflows.
WeChat Image Generator Advanced Features
- Zero-token cost generation by replacing expensive LLM image calls with local HTML/CSS rendering.
- Deep integration with the Openclaw Skills browser tool for reliable headless rendering and screenshot capturing.
- Template-based customization allowing developers to modify CSS files for unique brand styling.
- Lightweight execution with minimal token overhead compared to DALL-E or Midjourney integrations.
SKILL.md
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