image-mcp
Integrates with Ollama to run local vision models like LLaVA, allowing offline, private image recognition with zero API costs.
Click on "Deploy Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type
@followed by the MCP server name and your instructions, e.g., "@image-mcp describe the image at /home/user/photo.jpg"
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
image-mcp · 视觉识别 MCP 服务器
一个基于 Model Context Protocol 的图片识别服务器,统一封装三大视觉 API 后端,让 Claude Desktop / Cursor / 任何 MCP 客户端都能调用图片描述、问答与多图分析能力。
📦 npm 包名:
@systemmin/image-mcp(bin 命令image-mcp),可直接npx @systemmin/image-mcp运行,无需克隆仓库。
✨ 支持的视觉后端
Provider | 服务 | 适用场景 |
| Claude (Anthropic) API | 用户提到的 "code plan API",效果最强 |
| 智谱 API (GLM-4V 等) | 国产视觉模型,国内访问稳定 |
| Ollama (本地 llava / llama3.2-vision) | 本地离线运行,零成本、隐私好 |
所有后端通过统一的 provider 参数在运行时动态切换,无需重启。
Related MCP server: llm-vision-mcp
🧰 暴露的 MCP Tools
Tool | 参数 | 说明 |
|
| 生成单张图片的详细文字描述/识别结果 |
|
| 针对图片提问,模型按图片内容回答 (VQA) |
|
| 对多张图片综合分析/对比 |
provider可选;不传时按DEFAULT_PROVIDER->anthropic->zhipu->ollama优先级自动选择第一个已配置的后端。返回结果开头会标注实际使用的 provider,例如
[provider: zhipu]。
📦 安装
方式一:直接用 npx(推荐,无需克隆)
npx @systemmin/image-mcp或全局安装:
npm install -g @systemmin/image-mcp
image-mcp方式二:从源码构建
# 需要 Node.js >= 20
git clone https://github.com/systemmin/image-mcp.git
cd image-mcp
npm install
npm run build⚙️ 配置
复制 .env.example 为 .env 并填入密钥:
cp .env.example .env# Claude (Anthropic)
ANTHROPIC_API_KEY=sk-ant-xxx
ANTHROPIC_MODEL=claude-sonnet-4-5-20250929
# 智谱
ZHIPU_API_KEY=xxx.xxx
ZHIPU_MODEL=glm-4v
# Ollama (本地)
OLLAMA_BASE_URL=http://localhost:11434
OLLAMA_MODEL=llava
# 默认后端
DEFAULT_PROVIDER=anthropic只需配置你想用的后端的密钥即可,其余可留空。Ollama 无需密钥,但要先
ollama pull llava拉取视觉模型并保持服务运行。
⏱️ 工具调用超时(重要)
MCP_TOOL_TIMEOUT 是 MCP 客户端(Claude Code / Claude Desktop)侧的环境变量,不是本 server 的配置。视觉 API 处理大图较慢,若不调大超时,客户端往往在工具返回前就超时报错(实测大图极易触发)。
在启动客户端之前设置(单位:毫秒,下例为 5 分钟):
# Windows CMD
set MCP_TOOL_TIMEOUT=300000
# PowerShell
$env:MCP_TOOL_TIMEOUT="300000"
# macOS / Linux
export MCP_TOOL_TIMEOUT=300000设好后再启动 claude 或 Claude Desktop;也可加入系统环境变量永久生效。
🔌 接入 MCP 客户端
Claude Code(命令行,推荐)
用官方命令一键添加,无需手改 JSON:
# 仅当前项目可用(local scope,默认)
claude mcp add image-mcp -- npx @systemmin/image-mcp
# 或全局所有项目可用(user scope)
claude mcp add image-mcp --scope user -- npx @systemmin/image-mcp需要传入 API 密钥时用 -e(可多次):
claude mcp add image-mcp --scope user -e ANTHROPIC_API_KEY=sk-ant-xxx -e DEFAULT_PROVIDER=anthropic -- npx @systemmin/image-mcp也可不传
-e,改为在你运行claude的目录放一个.env文件(dotenv 会自动加载)。 验证是否注册成功:claude mcp list。
或手动编辑配置文件 ~/.claude.json(Windows: C:\Users\<用户名>\.claude.json,注意文件名带前导点),在顶层 mcpServers 中加入:
{
"mcpServers": {
"image-mcp": {
"type": "stdio",
"command": "npx",
"args": ["@systemmin/image-mcp"],
"env": {
"ANTHROPIC_API_KEY": "sk-ant-xxx",
"DEFAULT_PROVIDER": "anthropic"
}
}
}
}Claude Desktop
编辑配置文件(macOS: ~/Library/Application Support/Claude/claude_desktop_config.json,Windows: %APPDATA%\Claude\claude_desktop_config.json):
{
"mcpServers": {
"image-mcp": {
"type": "stdio",
"command": "npx",
"args": ["@systemmin/image-mcp"],
"env": {
"ANTHROPIC_API_KEY": "sk-ant-xxx",
"ZHIPU_API_KEY": "xxx.xxx",
"DEFAULT_PROVIDER": "anthropic"
}
}
}
}也可不写
env,改为在项目目录放.env文件(dotenv 会自动加载)。若从源码运行,把command/args换成"command": "node", "args": ["/path/to/image-mcp/dist/index.js"]。
Cursor / 其他 MCP 客户端
按对应客户端文档添加一个 stdio 类型的 MCP server,命令为 npx @systemmin/image-mcp(全局安装后也可直接用 image-mcp)。
🧪 调试
用官方 Inspector 交互测试:
npm run inspector会打开网页界面,可手动调用三个工具、查看请求/响应。
🏗️ 项目结构
src/
├── index.ts # MCP 服务器入口,注册 3 个工具
├── providers/
│ ├── index.ts # VisionProvider 接口 + getProvider 工厂
│ ├── anthropic.ts # Claude API 适配器
│ ├── zhipu.ts # 智谱 API 适配器
│ └── ollama.ts # Ollama API 适配器
└── utils/
├── image.ts # 图片读取 + base64 编码 + MIME 推断
└── config.ts # 环境变量加载 + provider 解析架构说明
三个工具本质都调用 VisionProvider.analyze(images, prompt),区别只在 prompt:
vision_describe-> 固定描述 promptvision_qa-> 用户问题作为 promptvision_analyze-> 多图 + 自定义 prompt
新增一个视觉后端只需实现 VisionProvider 接口并在 getProvider 注册即可。
📜 脚本
命令 | 作用 |
| TypeScript 编译到 |
| 运行编译后的服务器 |
| 启动 MCP Inspector 调试 |
Available Tools
3 toolsvision_analyzeB
对多张本地图片进行综合分析/对比,根据自定义 prompt 给出结论
Inputs: paths (required), prompt (required), provider.
vision_describeB
对一张本地图片生成详细的文字描述/识别结果
Inputs: path (required), provider.
vision_qaA
针对一张本地图片提问,模型根据图片内容回答
Inputs: path (required), question (required), provider.
Tool Schema Changelog
Recent tool additions, removals, and schema changes observed during successful MCP inspections.
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TDQS
Scored across 3 tools
Each tool targets a distinct task: multi-image analysis with custom prompt, single-image description, and single-image Q&A. No overlap in functionality.
All tools follow consistent 'vision_<verb>' pattern with clear, descriptive verbs (analyze, describe, qa).
Three tools is well-scoped for an image analysis server, covering the essential operations without bloat or insufficiency.
The set covers core image analysis tasks (description, QA, multi-image comparison). Missing potential features like image search or generation, but these are beyond the stated domain.
Maintenance
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