yao-image
GitHub提供图像读取、生成与编辑能力的专家技能，支持通过命令行工具对本地文件或URL进行视觉分析、文生图及图改图操作。
Trigger Scenarios
Install
npx skills add YaoApp/yao --skill yao-image -g -y
SKILL.md
Frontmatter
{
"name": "yao-image",
"description": "Image expert. ALWAYS invoke this skill when you need to read, analyze, describe, or generate images. Use for screenshots, photos, charts, diagrams, AI-generated images, or any visual content."
}
Image Tools
Use these tools when you encounter images you cannot read natively, or when you need to generate new images.
image_read
Send an image to a vision-capable model and get a text description.
Local file (most common):
tai tool image_read --image_path /path/to/image.png --prompt "Describe this image"
URL:
tai tool image_read --image_path https://example.com/photo.jpg --prompt "What is shown?"
With a specific vision provider:
tai tool image_read --image_path /path/to/image.png --prompt "Describe" --provider llm.my-openai:gpt-4o
| Parameter | Type | Required | Description |
|---|---|---|---|
| image_path | string | yes | Image file path or URL |
| prompt | string | no | Analysis instruction (default: describe in detail) |
| max_size | integer | no | Max dimension in pixels for longest edge (default: 1080) |
| provider | string | no | Vision provider connector ID. If omitted, uses default vision model |
Images are automatically resized (preserving aspect ratio) before sending to the vision model. Supported formats: PNG, JPEG, GIF, WebP.
image_generate
Generate a new image from a text prompt (text-to-image). For editing an existing image, use image_edit instead.
Basic usage (always specify output):
tai tool image_generate --prompt "A serene mountain landscape at sunset" --output landscape.png
With specific provider, model and size:
tai tool image_generate --prompt "A futuristic city skyline" --provider llm.my-openai --model gpt-image-1 --dimensions 1792x1024 --output output/city.png
| Parameter | Type | Required | Description |
|---|---|---|---|
| prompt | string | yes | Text description of the image to generate |
| output | string | yes | Output file path for the generated image |
| provider | string | no | Provider connector ID (use image_providers to list). Auto-selects if omitted |
| dimensions | string | no | Image dimensions (default: 1024x1024). Common: 1024x1024, 1024x1792, 1792x1024 |
| model | string | no | Model name to use. Overrides the provider's default model |
If output is omitted, the image is saved to a default path in the working directory.
image_edit
Edit or transform an existing image based on a text prompt (image-to-image). Use for style transfer, background replacement, adding/removing elements, or any modification that requires a reference image.
Basic usage:
tai tool image_edit --image_path /path/to/photo.png --prompt "Change the background to a beach scene" --output edited.png
With URL image:
tai tool image_edit --image_path https://example.com/photo.jpg --prompt "Make it look like a watercolor painting" --output watercolor.png
With specific provider and model:
tai tool image_edit --image_path /path/to/original.png --prompt "Remove the person in the foreground" --provider llm.my-openai --model gpt-image-1 --dimensions 1024x1024 --output result.png
| Parameter | Type | Required | Description |
|---|---|---|---|
| image_path | string | yes | Reference image file path or URL |
| prompt | string | yes | Text description of the desired edit or transformation |
| output | string | yes | Output file path for the edited image |
| provider | string | no | Provider connector ID (use image_providers with capability=image_editing). Auto-selects if omitted |
| dimensions | string | no | Output dimensions (default: 1024x1024). Common: 1024x1024, 1024x1792, 1792x1024 |
| model | string | no | Model name to use. Overrides the provider's default model |
If output is omitted, the image is saved to a default path in the working directory.
image_providers
List available image providers filtered by capability.
List image generation providers (default):
tai tool image_providers
List image editing providers:
tai tool image_providers --capability image_editing
List vision (image reading) providers:
tai tool image_providers --capability vision
| Parameter | Type | Required | Description |
|---|---|---|---|
| capability | string | no | image_generation (default), image_editing, or vision |
Returns a list of providers with their available models and connector IDs that can be passed to image_generate, image_edit, or image_read.
Constraints
Only use the parameters listed above for each tool. Do not pass unsupported parameters (such as quality, style, n, response_format, etc.) — they will be ignored or cause errors.
Version History
- 94ab88a Current 2026-08-20 19:13
