deepseek-mcp-image
Provides image recognition for text-only LLMs like DeepSeek by bridging to SenseNova multimodal model, enabling image description via the describe_image tool.
README
deepseek-mcp-image
中文 | English
给 DeepSeek 等纯文本模型 用的识图 MCP 服务器:让不支持图片输入的 LLM 也能看图。
主模型调用 describe_image 工具并传入图片(本地路径或 http(s) URL),
服务器将图片转为 base64 data URL,交给支持图像输入的商汤多模态模型
SenseNova 6.8 Flash-Lite(sensenova-6.8-flash-lite)识别,返回文字描述。
环境要求
- Node.js ≥ 18
- 商汤开放平台 API Key(sensenova.cn)
安装
git clone https://github.com/Chuyuxuan0v0/deepseek-mcp-image.git
cd deepseek-mcp-image
npm install
配置环境变量
| 变量 | 必填 | 默认 | 说明 |
|---|---|---|---|
SENSENOVA_API_KEY |
✅ | — | 商汤 API Key |
SENSENOVA_BASE_URL |
— | https://token.sensenova.cn/v1 |
API 基础地址 |
MAX_IMAGE_BYTES |
— | 20971520(20MB) |
单张图片大小上限 |
PowerShell(Windows)示例:
$env:SENSENOVA_API_KEY = "sk-你的key"
运行测试
npm test
接入 MCP 客户端
标准 stdio MCP 服务器,启动命令:node <本仓库路径>/src/index.js。
Claude Desktop
claude_desktop_config.json 示例:
{
"mcpServers": {
"deepseek-mcp-image": {
"command": "node",
"args": ["<本仓库路径>/src/index.js"],
"env": { "SENSENOVA_API_KEY": "sk-你的key" }
}
}
}
DeepSeek Harness(dsh)
在 profile 补丁层(如 ~/.dsh/profiles/web/cordis.patch.yml)追加一行:
- insert:
- id: mcp-vision
name: '@deepseek-ai/dsh-mcp-client'
config:
serverName: vision
transport: stdio
command: node
args: ['<本仓库路径>/src/index.js']
env:
SENSENOVA_API_KEY: !!js process.env.SENSENOVA_API_KEY ?? ''
failOnStartupError: false
重启 dsh 后,主模型即可看到 mcp__vision__describe_image 工具(图片支持本地路径或 URL)。
其他客户端
Reasonix / Cursor / 通用 MCP 客户端按各自 stdio 服务器配置方式接入即可。
工具说明
describe_image
| 参数 | 类型 | 必填 | 默认 | 说明 |
|---|---|---|---|---|
image |
string | ✅ | — | 本地文件路径(绝对/相对)或 http(s):// URL |
question |
string | — | 请详细描述这张图片的内容 |
要问图片的问题 |
max_tokens |
integer | — | 1000 |
最大生成 token 数,上限 4096 |
支持的图片格式:PNG / JPEG / GIF / WebP / BMP / SVG。
手动验收
设置好 SENSENOVA_API_KEY 后,用 SDK 客户端脚本调用一次:
cd deepseek-mcp-image && node --input-type=module -e "
import { Client } from '@modelcontextprotocol/sdk/client/index.js';
import { StdioClientTransport } from '@modelcontextprotocol/sdk/client/stdio.js';
const transport = new StdioClientTransport({
command: process.execPath,
args: ['src/index.js'],
env: { ...process.env, SENSENOVA_API_KEY: process.env.SENSENOVA_API_KEY },
});
const client = new Client({ name: 'manual', version: '0.0.1' });
await client.connect(transport);
const r = await client.callTool({ name: 'describe_image', arguments: { image: 'https://www.sensenova.cn/images/logo.png' } });
console.log(JSON.stringify(r, null, 2));
await client.close();
"
预期输出:isError 为 false,content[0].text 为图片的文字描述。
限制
- 本地图片以 base64 data URL 内联传输,单张上限默认 20MB(
MAX_IMAGE_BYTES可调)。 - 不缓存 API 结果;每次调用都会消耗商汤 API 额度。
finish_reason = content_filter时返回合规拦截提示(可能命中商汤内容审核)。
License
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