openai-image-mcp

openai-image-mcp

Exposes multiple image generation backends as independent MCP tools for generating images with configurable models and parameters.

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openai-image-mcp

License: MIT Python >=3.11

基于 FastMCP 的 MCP 服务器,将多个图像生成后端(sensenovamodelscope 等)分别暴露为独立的 MCP 工具。每个后端的模型别名、支持尺寸、参数描述均在 config.yaml 中独立配置。适用于 opencode、Claude Code、Cursor 等 MCP 客户端。


快速启动

uvx --from git+https://github.com/bookandmusic/openai-image-mcp.git openai-image-mcp

首次运行自动下载依赖并创建隔离虚拟环境。自动创建 ~/.config/openai-image-mcp/ 目录并写入示例 config.yaml,编辑后重启使用。


工具列表

工具名 说明
list_models 列出所有配置的后端、工具名和可用模型
sensenova_generate_image Sensenova u1-fast 2K 同步文生图(11 种宽高比)
modelscope_generate_image ModelScope 异步文生图 / 图编辑(Qwen-Image 系列)

工具为动态注册:config.yaml 中每个 backend 对应一个 MCP 工具,工具名、模型列表、支持尺寸均可自定义。


配置

openai-image-mcp 使用 YAML 配置文件。服务器按以下顺序查找配置目录:

  1. 命令行 --config-dir <path>(或 --config-dir=<path>
  2. 环境变量 $OPENAI_IMAGE_MCP_CONFIG_DIR
  3. $XDG_CONFIG_HOME/openai-image-mcp(回退到 ~/.config/openai-image-mcp

配置目录不存在时自动创建,无需手动 mkdir

首次启动时,若配置文件不存在,服务器写入示例 config.yaml 并退出,编辑后重启使用。

配置示例

backends:
  sensenova:
    base_url: https://token.sensenova.cn/v1
    api_key: env:SENSENOVA_API_KEY
    async: false
    timeout:
      sync_generate: 600
    tool:
      name: sensenova_generate_image
      description: |
        Sensenova u1-fast 图像生成(2K 分辨率,同步模式)。
    models:
      u1-fast: sensenova-u1-fast

  modelscope:
    base_url: https://api-inference.modelscope.cn/v1
    api_key: env:MODELSCOPE_API_KEY
    async: true
    timeout:
      request: 30
      poll_interval: 5
      max_wait: 600
    tool:
      name: modelscope_generate_image
      description: |
        ModelScope 异步图像生成。
    models:
      qwen-image-2512: Qwen/Qwen-Image-2512
      qwen-image-edit-2511: Qwen/Qwen-Image-Edit-2511

每个后端支持的参数(promptsizenimagesave_path)在 parameters 块中按需定义,size 支持 enum 约束(WxH + 比例标注)。

API 密钥用 env:VAR_NAME 引用环境变量,本地开发可放到 .env 文件中:

SENSENOVA_API_KEY=sk-...
MODELSCOPE_API_KEY=ms-...

客户端配置

opencode

{
  "mcp": {
    "openai-image-mcp": {
      "type": "local",
      "command": [
        "uvx", "--from", "git+https://github.com/bookandmusic/openai-image-mcp.git",
        "openai-image-mcp",
        "--config-dir", "~/.config/openai-image-mcp"
      ],
      "enabled": true,
      "timeout": 600000
    }
  }
}

Claude Code

添加到 ~/.claude/settings.json

{
  "mcpServers": {
    "openai-image-mcp": {
      "command": "uvx",
      "args": [
        "--from", "git+https://github.com/bookandmusic/openai-image-mcp.git",
        "openai-image-mcp",
        "--config-dir", "~/.config/openai-image-mcp"
      ]
    }
  }
}

也可放在项目级 .claude/settings.local.json 中。


本地开发

git clone https://github.com/bookandmusic/openai-image-mcp.git
cd openai-image-mcp
uv sync
uv run python -m openai_image_mcp.server

或安装为本地命令:

uv tool install .
openai-image-mcp

License

MIT — 详见 LICENSE

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