Doubao Vision MCP Server

Doubao Vision MCP Server

Enables image understanding using Doubao vision models via MCP, supporting local file paths and URLs with customizable prompts.

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Doubao Vision MCP Server

npm version

火山方舟豆包视觉模型 MCP Server，兼容预置推理接入点和模型推理接入点。

特性

  • 🖼️ 支持本地图片文件路径和远程 URL
  • 💬 自定义 prompt
  • 🎯 双模式兼容：模型名（预置推理接入点）/ ep-ID（模型推理接入点）
  • 🔄 切换模型只需改一行环境变量，代码零改动
  • ⚡ 一行 npx 部署
  • 💰 支持使用火山方舟赠送的免费 token

支持的模型

Doubao-Seed-2.0-Mini（推荐）

项目 说明
模型 ID doubao-seed-2-0-mini-260428
推理接入点 预置推理接入点（无需创建，直接填模型名）
上下文 256K
最大输出 128K
输入价格 ¥0.2 / 百万 tokens
输出价格 ¥2 / 百万 tokens
模态 文本 + 图片 + 语音 + 视频（四模态）
定位 轻量均衡，适合通用多模态解析、高并发、成本敏感场景

Doubao-Seed-1.6-Vision（备选）

项目 说明
模型 ID doubao-seed-1-6-vision-250815
推理接入点 模型推理接入点（需要创建，填 ep-xxxxx ID）
上下文 256K
最大输出 32K~64K
输入价格 ¥0.8 / 百万 tokens（0~32K）
输出价格 ¥8 / 百万 tokens（0~32K）
定位 视觉深度思考模型，适合复杂视觉推理任务

快速对比

Doubao-Seed-2.0-Mini Doubao-Seed-1.6-Vision
接入点类型 预置（用模型名） 自定义（用 ep-ID）
上下文 256K 256K
最大输出 128K 32K~64K
输入价格 ¥0.2 ¥0.8
输出价格 ¥2 ¥8

环境变量

变量 必填 默认值 说明
ARK_API_KEY ✅ — 火山方舟 API Key。获取：控制台 → API Key 管理
DOUBAO_MODEL 否 doubao-seed-2-0-mini-260428 模型名（预置接入点）或 ep-xxxxx（模型推理接入点）
DOUBAO_BASE_URL 否 https://ark.cn-beijing.volces.com/api/v3 API 地址，通常无需修改

快速开始

使用预置推理接入点（推荐，无需创建）

{
  "mcpServers": {
    "doubao-vision": {
      "command": "npx",
      "args": ["-y", "doubao-vision-mcp-server"],
      "env": {
        "ARK_API_KEY": "ark-xxxxxxxxx-xxxxx",
        "DOUBAO_MODEL": "doubao-seed-2-0-mini-260428"
      }
    }
  }
}

使用模型推理接入点（ep-）

需要先在火山方舟控制台创建推理接入点：

{
  "mcpServers": {
    "doubao-vision": {
      "command": "npx",
      "args": ["-y", "doubao-vision-mcp-server"],
      "env": {
        "ARK_API_KEY": "ark-xxxxxxxxx-xxxxx",
        "DOUBAO_MODEL": "ep-20260607xxxxx-xxxxx"
      }
    }
  }
}

使用本地路径（开发调试）

{
  "mcpServers": {
    "doubao-vision": {
      "command": "node",
      "args": ["E:\\Projects\\Claude\\MCP\\doubao\\doubao-vision-mcp-server\\src\\index.js"],
      "env": {
        "ARK_API_KEY": "ark-xxxxxxxxx-xxxxx",
        "DOUBAO_MODEL": "doubao-seed-2-0-mini-260428"
      }
    }
  }
}

工具

doubao_vision_understand

参数 必填 默认值 说明
image ✅ — 本地图片路径 C:/img.png 或 URL https://...
prompt ✅ — 对图片的指令，越具体越好
detail 否 auto 图片精度：auto / low / high
max_tokens 否 4096 最大输出 token 数
temperature 否 1 采样温度（0~2）

使用示例

分析这张 UI 截图：C:\screenshot.png，描述它的布局和配色方案

识别这张图片里的文字：https://example.com/doc.png

本地开发

git clone https://github.com/kira4094/doubao-vision-mcp-server.git
cd doubao-vision-mcp-server
npm install
node src/index.js

验证结果

实测通过以下两种接入点：

类型 DOUBAO_MODEL Token 消耗 状态
预置推理接入点 doubao-seed-2-0-mini-260428 1314 in → 295 out ✅
模型推理接入点 ep-xxxxxxx-xxxxx 683 in → 277 out ✅

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