How do I install the Uni Image skill?

Run npx skillmds@latest add sangjiexun/uni-image in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Uni Image safe to use?

This skill has not completed SkillMD's automated safety review yet. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Uni Image?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Uni Image free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Uni Image?

sangjiexun (@sangjiexun) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Uni Image by sangjiexun — Agent Skill

Name: Uni Image
Author: sangjiexun

File contents

UniImage — 统一多平台 AI 图片生成

Multi-platform AI image generation skill for OpenClaw. Supports switching between providers via a dropdown model selector on the paint page.

Supported Platforms

Model ID	Display Name	Provider	Description
`doubao-seedream-5-0-260128`	Seedream 5.0	Volcengine Ark	多角色超强一致性，中文处理能力极强
`qwen-image-plus`	Qwen Image	Alibaba DashScope	单图一致性强，适合中文相关的多图处理场景
`gemini-3-pro-image-preview`	香蕉 Pro	Google Gemini	最强修图模型，适合电商和专业设计
`gemini-3.1-flash-image-preview`	香蕉 V2	Google Gemini	最新香蕉模型，极致速度和超高性价比

Architecture

Renderer (paint page)
  ↓  fetch(/v1/images/generations)
  ↓  [fetch interceptor rewrites URL + model]
UniImage Proxy (port 18800)
  ├── Volcengine Ark API (Seedream)
  ├── DashScope API (Qwen Image, async poll)
  └── Google Gemini API (Nano Banana)

Files

uni-image-proxy.js — HTTP proxy server with multi-provider routing
uni-image-inject.js — Renderer injection script (fetch wrapper + model selector UI)
SKILL.md — This skill manifest

Configuration

Configure API keys via the 🔑 button on the paint page, or set environment variables:

# Volcengine Ark (Seedream)
ARK_API_KEY=your-volcengine-key

# Alibaba DashScope (Qwen Image)
DASHSCOPE_IMAGE_KEY=your-dashscope-key

# Google AI (Nano Banana / Gemini)
GOOGLE_API_KEY=your-google-api-key

Keys are stored in ~/.openclaw-dev/uni-image-config.json.

Usage

Navigate to the 绘画助手 (Paint) page
Select a model from the 模型平台 dropdown
Click 🔑 to configure the API key for the selected provider
Enter a prompt and generate images

Run (CLI)

# Seedream (default)
node uni-image-proxy.js &
curl -X POST http://127.0.0.1:18800/v1/images/generations \
  -H "Content-Type: application/json" \
  -d '{"model":"doubao-seedream-5-0-260128","prompt":"a cute cat","size":"1024x1024"}'

# Qwen Image
curl -X POST http://127.0.0.1:18800/v1/images/generations \
  -H "Content-Type: application/json" \
  -d '{"model":"qwen-image-plus","prompt":"a cute cat","size":"1024*1024"}'

# Google Gemini (Nano Banana)
curl -X POST http://127.0.0.1:18800/v1/images/generations \
  -H "Content-Type: application/json" \
  -d '{"model":"gemini-3.1-flash-image-preview","prompt":"a cute cat"}'

---name: uni-imagedescription: Unified multi-platform AI image generation. Supports Volcengine Seedream, Alibaba Qwen Image, and Google Gemini (Nano Banana). Switch between models with a dropdown selector.---# UniImage — 统一多平台 AI 图片生成Multi-platform AI image generation skill for OpenClaw. Supports switching between providers via a dropdown model selector on the paint page.## Supported Platforms| Model ID | Display Name | Provider | Description ||----------|-------------|----------|-------------|| `doubao-seedream-5-0-260128` | Seedream 5.0 | Volcengine Ark | 多角色超强一致性，中文处理能力极强 || `qwen-image-plus` | Qwen Image | Alibaba DashScope | 单图一致性强，适合中文相关的多图处理场景 || `gemini-3-pro-image-preview` | 香蕉 Pro | Google Gemini | 最强修图模型，适合电商和专业设计 || `gemini-3.1-flash-image-preview` | 香蕉 V2 | Google Gemini | 最新香蕉模型，极致速度和超高性价比 |## Architecture```Renderer (paint page) ↓ fetch(/v1/images/generations) ↓ [fetch interceptor rewrites URL + model]UniImage Proxy (port 18800) ├── Volcengine Ark API (Seedream) ├── DashScope API (Qwen Image, async poll) └── Google Gemini API (Nano Banana)```## Files- `uni-image-proxy.js` — HTTP proxy server with multi-provider routing- `uni-image-inject.js` — Renderer injection script (fetch wrapper + model selector UI)- `SKILL.md` — This skill manifest## ConfigurationConfigure API keys via the 🔑 button on the paint page, or set environment variables:```bash# Volcengine Ark (Seedream)ARK_API_KEY=your-volcengine-key# Alibaba DashScope (Qwen Image)DASHSCOPE_IMAGE_KEY=your-dashscope-key# Google AI (Nano Banana / Gemini)GOOGLE_API_KEY=your-google-api-key```Keys are stored in `~/.openclaw-dev/uni-image-config.json`.## Usage1. Navigate to the **绘画助手** (Paint) page2. Select a model from the **模型平台** dropdown3. Click **🔑** to configure the API key for the selected provider4. Enter a prompt and generate images## Run (CLI)```bash# Seedream (default)node uni-image-proxy.js &curl -X POST http://127.0.0.1:18800/v1/images/generations \ -H "Content-Type: application/json" \ -d '{"model":"doubao-seedream-5-0-260128","prompt":"a cute cat","size":"1024x1024"}'# Qwen Imagecurl -X POST http://127.0.0.1:18800/v1/images/generations \ -H "Content-Type: application/json" \ -d '{"model":"qwen-image-plus","prompt":"a cute cat","size":"1024*1024"}'# Google Gemini (Nano Banana)curl -X POST http://127.0.0.1:18800/v1/images/generations \ -H "Content-Type: application/json" \ -d '{"model":"gemini-3.1-flash-image-preview","prompt":"a cute cat"}'```

Frequently asked questions

Uni Image