MCP Servers

opencode-eyes

MCP server that provides image description capability using StepFun Step-3.7-flash multimodal model, enabling models to 'see' images by converting them into detailed text descriptions.

README

opencode-eyes 👁️

MCP server that provides image description capability using StepFun Step-3.7-flash multimodal model.

为不具备多模态能力的模型提供**"眼睛"**。将图片输入，即可获得详细的图片文字描述。

功能

工具	说明
`describe_image`	描述一张图片的内容，使用 StepFun Step-3.7-flash 多模态大模型

环境变量

变量	必填	默认值	说明
`STEP_API_KEY`	是	—	StepFun API Key
`STEP_MODEL`	否	`step-3.7-flash`	使用的模型名称（Step Plan 专用地址 `https://api.stepfun.com/step_plan/v1`）
`STEP_TIMEOUT`	否	`120`	StepFun API 请求超时（秒）
`STEP_MAX_DIMENSION`	否	`2048`	发送前图片最长边缩放到该像素，0 表示不缩放
`STEP_JPEG_QUALITY`	否	`85`	发送前 JPEG 压缩质量（0-100）

更新日志 (v1.0.2)

修复 MCP -32001 Request timed out：发送前将图片缩放/压缩为 JPEG，大幅减小 payload、降低 API 延迟，避免超过 MCP 客户端默认 5s 超时。
修复空描述：step-3.7-flash 有时把答案放在 reasoning_content/reasoning 而 content 为空，现已自动回退。
修复 Windows 中文乱码：stdout/stdin 改为 UTF-8 字节读写。
新增 ping 方法支持，更健壮的 MCP 握手。

注意：opencode 的 MCP 请求超时默认为 5000ms。若仍需更宽松的超时，可在 opencode 配置中为该 MCP 设置 "timeout": 120000，或全局设置 "experimental": { "mcp_timeout": 120000 }。

安装

pip install Pillow

运行

# 设置环境变量
set STEP_API_KEY=你的StepFun API Key

# 启动服务
python -m opencode_eyes

在 OpenCode 中配置

{
  "mcp": {
    "opencode-eyes": {
      "type": "local",
      "command": ["python", "-m", "opencode_eyes"],
      "enabled": true,
      "timeout": 120000,
      "environment": {
        "STEP_API_KEY": "你的StepFun API Key"
      }
    }
  }
}

License

MIT

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