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Image Gen

@Cleveland-RD

代码仓库

关于 Image Gen

Local stdio MCP server for generating and editing images via OpenAI gpt-image-2 or Google Gemini (Nano Banana / Pro image-preview). Saves PNGs to ~/Pictures/image-gen/ and returns inline JPEG thumbnails. Bring your own OpenAI and/or Gemini API key.

#image-generation#openai#gpt-image-2#gemini#nano-banana#stdio#claude-desktop#claude-code

基本信息

分类

媒体与设计

传输方式

stdio

发布者

Cleveland-RD

提交者

Dias Jakupov

配置

使用下面的配置,将此服务器添加到你的 MCP 客户端。

{
  "mcpServers": {
    "image-gen": {
      "command": "node",
      "args": [
        "<HOME>/.image-gen-mcp/server/index.js"
      ],
      "env": {
        "OPENAI_API_KEY": "<YOUR_OPENAI_API_KEY>",
        "GEMINI_API_KEY": "<YOUR_GEMINI_API_KEY>"
      }
    }
  }
}

工具

2

Generate or edit an image via OpenAI gpt-image-2 or Google Gemini. Accepts a prompt plus optional

Poll a previously-started image generation job.

概览

What is Image Gen?

Image Gen is an open-source Claude plugin and stdio MCP server for generating and editing images via OpenAI gpt-image-2 and Google Gemini models (gemini-3.1-flash-image-preview / `gemini-3-pro-image-preview)). Users bring their own API keys.

How to use Image Gen?

Install via .mcpb (Claude Desktop), plugin zip (Claude Desktop or Claude Code), or manual configuration. Set at least one API key (OPENAI_API_KEY or GEMINI_API_KEY) as an environment variable. Invoke the generate_image tool with a prompt and optional parameters, or use check_image_job to poll an in-progress job.

Key features of Image Gen?

  • Supports OpenAI gpt-image-2 and Google Gemini image models
  • Generates and edits images from text prompts
  • Optionally includes reference images for edits
  • Returns inline JPEG thumbnail for immediate display
  • Saves full-resolution PNGs to ~/Pictures/image-gen/
  • Provides check_image_job tool for polling long-running generations

Use cases of Image Gen

  • Generate images from descriptive prompts within Claude conversations
  • Edit existing images by providing reference images alongside prompts
  • Integrate AI image generation into Claude-powered workflows

FAQ from Image Gen

What API keys are required?

At least one API key: either an OpenAI key for gpt-image-2 or a Google Gemini key for gemini-3.1-flash-image-preview / gemini-3-pro-image-preview.

Which models are supported?

OpenAI gpt-image-2 and Google Gemini models: gemini-3.1-flash-image-preview (Nano Banana) and gemini-3-pro-image-preview (Pro).

Where are generated images saved?

Full-resolution PNG files are saved to ~/Pictures/image-gen/. The tool also returns an inline JPEG thumbnail for immediate rendering.

What operating systems are supported?

Prebuilt .mcpb packages are available for darwin-arm64, darwin-x64, and win32-x64. Linux users can build from source.

How do I install the server manually?

Download the platform-matching .mcpb, extract it, and register with Claude Code using claude mcp add with environment variables for API keys. Alternatively, configure via claude_desktop_config.json.

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