Setup & Installation
openclaw skills install @cai-zhuo/test-materials
Or with the ClawHub CLI, for registry-managed skill folders outside a full OpenClaw workspace:
npx clawhub install test-materials
What This Skill Does
A CLI tool for working with declare-render JSON schemas. It renders schemas to PNG or JPG images, validates schema files against the declare-render format, and generates schemas from text prompts using OpenAI.
Combines schema generation, validation, and rendering in a single CLI instead of requiring separate tools for each step.
When to use it
- Rendering a JSON layout schema to a PNG for design review
- Generating an image from a plain-text description without writing JSON
- Validating a schema file before passing it to a render pipeline
- Exporting structured visual templates as static image files
- Prototyping image layouts by describing them in natural language
Example Workflow
Here's how your AI assistant might use this skill in practice.
INPUT
User asks: generate an image of a red circle with the text 'Hello'
AGENT
- 1Runs `materials generate "A red circle with text Hello" -o out.png`
- 2OpenAI generates a declare-render JSON schema from the prompt
- 3CLI validates the generated schema against the declare-render format
- 4CLI renders the schema to out.png
OUTPUT
out.png saved to the working directory containing a red circle with 'Hello' text
Requirements
Accounts, API keys, or tools you or your AI assistant may need to set up while using this skill.
OPENAI_API_KEY — OpenAI API key, required for the generate command