Image Gen MCP Server

@Cleveland-RD

代码仓库

基本信息

分类

媒体与设计

传输方式

stdio

作者

Cleveland-RD

提交者

Dias Jakupov

关于 Image Gen MCP Server

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

Image Gen MCP Server 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>"
      }
    }
  }
}

Image Gen MCP Server 工具

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

常见问题

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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