使用OpenRouter图像生成模型（FLUX.2 Pro/Gemini 3 Pro）生成和编辑高质量图片

generate-image by davila7/claude-code-templates

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GitHub

安装命令

npx skills add https://github.com/davila7/claude-code-templates --skill generate-image

AI/机器学习内容创作自动化

🇨🇳中文介绍

生成图像

使用 OpenRouter 的图像生成模型（包括 FLUX.2 Pro 和 Gemini 3 Pro）生成和编辑高质量图像。

何时使用此技能

在以下情况下使用 generate-image：

照片和逼真的图像
艺术插图和艺术作品
概念艺术和视觉概念
演示文稿或文档的视觉素材
图像编辑和修改
任何通用图像生成需求

在以下情况下请改用 scientific-schematics：

流程图和过程图
电路图和电气原理图
生物通路和信号级联
系统架构图
CONSORT 图和方法学流程图
任何技术/原理图

快速开始

使用 scripts/generate_image.py 脚本来生成或编辑图像：

# 生成新图像
python scripts/generate_image.py "A beautiful sunset over mountains"

# 编辑现有图像
python scripts/generate_image.py "Make the sky purple" --input photo.jpg

这将在当前目录中生成/编辑图像并保存为 generated_image.png。

API 密钥设置

重要提示：脚本需要 OpenRouter API 密钥。运行前，请检查用户是否已配置其 API 密钥：

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自定义输出路径

python scripts/generate_image.py "Abstract art" --output artwork.png

python scripts/generate_image.py "Make the background blue" --input photo.jpg

使用特定模型编辑

python scripts/generate_image.py "Add sunglasses to the person" --input portrait.png --model "black-forest-labs/flux.2-pro"

使用自定义输出编辑

python scripts/generate_image.py "Remove the text from the image" --input screenshot.png --output cleaned.png

使用不同的提示词或输出路径多次运行脚本：

python scripts/generate_image.py "Image 1 description" --output image1.png
python scripts/generate_image.py "Image 2 description" --output image2.png

prompt（必需）：要生成的图像的文本描述，或编辑指令
--input 或 -i：用于编辑的输入图像路径（启用编辑模式）
--model 或 -m：OpenRouter 模型 ID（默认：google/gemini-3-pro-image-preview）
--output 或 -o：输出文件路径（默认：generated_image.png）
--api-key：OpenRouter API 密钥（覆盖 .env 文件）

# 为论文生成概念性插图
python scripts/generate_image.py "Microscopic view of cancer cells being attacked by immunotherapy agents, scientific illustration style" --output figures/immunotherapy_concept.png

# 为演示文稿创建视觉素材
python scripts/generate_image.py "DNA double helix structure with highlighted mutation site, modern scientific visualization" --output slides/dna_mutation.png

用于演示文稿和海报

# 标题幻灯片背景
python scripts/generate_image.py "Abstract blue and white background with subtle molecular patterns, professional presentation style" --output slides/background.png

# 海报主图
python scripts/generate_image.py "Laboratory setting with modern equipment, photorealistic, well-lit" --output poster/hero.png

用于通用视觉内容

# 网站或文档图片
python scripts/generate_image.py "Professional team collaboration around a digital whiteboard, modern office" --output docs/team_collaboration.png

# 营销材料
python scripts/generate_image.py "Futuristic AI brain concept with glowing neural networks" --output marketing/ai_concept.png

脚本为以下情况提供清晰的错误信息：

API 密钥缺失（附带设置说明）
API 错误（附带状态码）
意外的响应格式
缺失依赖项（requests 库）

如果脚本失败，请阅读错误信息并在重试前解决问题。

图像以 base64 编码的数据 URL 形式返回，并自动保存为 PNG 文件
脚本支持来自不同 OpenRouter 模型的 images 和 content 响应格式
生成时间因模型而异（通常为 5-30 秒）
对于图像编辑，输入图像被编码为 base64 并发送给模型
支持的输入图像格式：PNG、JPEG、GIF、WebP
查看 OpenRouter 定价以获取成本信息：https://openrouter.ai/models

具体说明您想要的更改（例如，“将天空改为日落颜色”对比“编辑天空”）
尽可能引用图像中的特定元素
为获得最佳效果，请使用清晰详细的编辑指令
Gemini 3 Pro 和 FLUX.2 Pro 都通过 OpenRouter 支持图像编辑

与其他技能的集成

scientific-schematics：用于技术图表、流程图、电路图、通路图
generate-image：用于照片、插图、艺术作品、视觉概念
scientific-slides：与 generate-image 结合使用，创建视觉丰富的演示文稿
latex-posters：使用 generate-image 生成海报视觉素材和主图

🇺🇸English

Generate Image

Generate and edit high-quality images using OpenRouter's image generation models including FLUX.2 Pro and Gemini 3 Pro.

When to Use This Skill

Use generate-image for:

Photos and photorealistic images
Artistic illustrations and artwork
Concept art and visual concepts
Visual assets for presentations or documents
Image editing and modifications
Any general-purpose image generation needs

Use scientific-schematics instead for:

Flowcharts and process diagrams
Circuit diagrams and electrical schematics
Biological pathways and signaling cascades
System architecture diagrams
CONSORT diagrams and methodology flowcharts
Any technical/schematic diagrams

Quick Start

Use the scripts/generate_image.py script to generate or edit images:

# Generate a new image
python scripts/generate_image.py "A beautiful sunset over mountains"

# Edit an existing image
python scripts/generate_image.py "Make the sky purple" --input photo.jpg

This generates/edits an image and saves it as generated_image.png in the current directory.

API Key Setup

CRITICAL : The script requires an OpenRouter API key. Before running, check if the user has configured their API key:

Look for a .env file in the project directory or parent directories
Check for OPENROUTER_API_KEY=<key> in the .env file
If not found, inform the user they need to:
- Create a .env file with OPENROUTER_API_KEY=your-api-key-here
- Or set the environment variable: export OPENROUTER_API_KEY=your-api-key-here
- Get an API key from: https://openrouter.ai/keys

The script will automatically detect the .env file and provide clear error messages if the API key is missing.

Model Selection

Default model : google/gemini-3-pro-image-preview (high quality, recommended)

Available models for generation and editing :

google/gemini-3-pro-image-preview - High quality, supports generation + editing
black-forest-labs/flux.2-pro - Fast, high quality, supports generation + editing

Generation only :

black-forest-labs/flux.2-flex - Fast and cheap, but not as high quality as pro

Select based on:

Quality : Use gemini-3-pro or flux.2-pro
Editing : Use gemini-3-pro or flux.2-pro (both support image editing)
Cost : Use flux.2-flex for generation only

Common Usage Patterns

Basic generation

python scripts/generate_image.py "Your prompt here"

Specify model

python scripts/generate_image.py "A cat in space" --model "black-forest-labs/flux.2-pro"

Custom output path

python scripts/generate_image.py "Abstract art" --output artwork.png

Edit an existing image

python scripts/generate_image.py "Make the background blue" --input photo.jpg

Edit with a specific model

python scripts/generate_image.py "Add sunglasses to the person" --input portrait.png --model "black-forest-labs/flux.2-pro"

Edit with custom output

python scripts/generate_image.py "Remove the text from the image" --input screenshot.png --output cleaned.png

Multiple images

Run the script multiple times with different prompts or output paths:

python scripts/generate_image.py "Image 1 description" --output image1.png
python scripts/generate_image.py "Image 2 description" --output image2.png

Script Parameters

prompt (required): Text description of the image to generate, or editing instructions
--input or -i: Input image path for editing (enables edit mode)
--model or -m: OpenRouter model ID (default: google/gemini-3-pro-image-preview)
--output or -o: Output file path (default: generated_image.png)
--api-key: OpenRouter API key (overrides .env file)

Example Use Cases

For Scientific Documents

# Generate a conceptual illustration for a paper
python scripts/generate_image.py "Microscopic view of cancer cells being attacked by immunotherapy agents, scientific illustration style" --output figures/immunotherapy_concept.png

# Create a visual for a presentation
python scripts/generate_image.py "DNA double helix structure with highlighted mutation site, modern scientific visualization" --output slides/dna_mutation.png

For Presentations and Posters

# Title slide background
python scripts/generate_image.py "Abstract blue and white background with subtle molecular patterns, professional presentation style" --output slides/background.png

# Poster hero image
python scripts/generate_image.py "Laboratory setting with modern equipment, photorealistic, well-lit" --output poster/hero.png

For General Visual Content

# Website or documentation images
python scripts/generate_image.py "Professional team collaboration around a digital whiteboard, modern office" --output docs/team_collaboration.png

# Marketing materials
python scripts/generate_image.py "Futuristic AI brain concept with glowing neural networks" --output marketing/ai_concept.png

Error Handling

The script provides clear error messages for:

Missing API key (with setup instructions)
API errors (with status codes)
Unexpected response formats
Missing dependencies (requests library)

If the script fails, read the error message and address the issue before retrying.

Notes

Images are returned as base64-encoded data URLs and automatically saved as PNG files
The script supports both images and content response formats from different OpenRouter models
Generation time varies by model (typically 5-30 seconds)
For image editing, the input image is encoded as base64 and sent to the model
Supported input image formats: PNG, JPEG, GIF, WebP
Check OpenRouter pricing for cost information: https://openrouter.ai/models

Image Editing Tips

Be specific about what changes you want (e.g., "change the sky to sunset colors" vs "edit the sky")
Reference specific elements in the image when possible
For best results, use clear and detailed editing instructions
Both Gemini 3 Pro and FLUX.2 Pro support image editing through OpenRouter

Integration with Other Skills

scientific-schematics : Use for technical diagrams, flowcharts, circuits, pathways
generate-image : Use for photos, illustrations, artwork, visual concepts
scientific-slides : Combine with generate-image for visually rich presentations
latex-posters : Use generate-image for poster visuals and hero images

Weekly Installs

544

Repository

davila7/claude-…emplates

GitHub Stars

23.4K

First Seen

Jan 21, 2026

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