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kira4094

Qwen Vision MCP Server

by kira4094
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JavaScript
Hybrid

Qwen Vision MCP Server

MCP server for Alibaba Qwen3.7-plus (multimodal vision model), connected via DashScope's Anthropic-compatible endpoint.

Features

  • Single tool: qwen_vision_understand — analyze an image with Qwen3.7-plus

  • Supports local image files (png/jpg/jpeg/gif/webp/bmp) and remote URLs

  • Same Anthropic Messages API format as Claude

  • Token usage reported back in each response

Related MCP server: MCP Image Validator

Requirements

Install

cd qwen-vision-mcp-server
npm install

Configuration

Environment variables:

Variable

Required

Default

Description

DASHSCOPE_API_KEY

✅

—

Your DashScope API key

QWEN_MODEL

qwen3.7-plus

Model name (e.g. qwen-vl-plus, qwen3-vl-plus)

QWEN_BASE_URL

https://dashscope.aliyuncs.com/apps/anthropic/v1/messages

Override endpoint

QWEN_MAX_TOKENS

4096

Default max output tokens

Run locally

DASHSCOPE_API_KEY=sk-xxx npm start

CC-Switch / Claude Code config

{
  "mcpServers": {
    "qwen-vision": {
      "type": "stdio",
      "command": "cmd",
      "args": ["/c", "npx", "-y", "qwen-vision-mcp-server"],
      "env": {
        "DASHSCOPE_API_KEY": "sk-your-dashscope-key",
        "QWEN_MODEL": "qwen3.7-plus"
      }
    }
  }
}

Or if installed locally:

{
  "mcpServers": {
    "qwen-vision": {
      "type": "stdio",
      "command": "node",
      "args": ["E:/Projects/Claude/MCP/qwen/qwen-vision-mcp-server/src/index.js"],
      "env": {
        "DASHSCOPE_API_KEY": "sk-your-dashscope-key"
      }
    }
  }
}

Tool: qwen_vision_understand

Parameter

Type

Required

Description

image

string

✅

Local file path or HTTP(S) URL

prompt

string

✅

What to ask about the image

max_tokens

number

Max output tokens (default 4096)

temperature

number

0-2, default 1

Example:

Use qwen_vision_understand to analyze this UI mockup: 
/Users/me/Downloads/login-page.png
"Recreate this as HTML with Tailwind CSS"

License

MIT

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