
Logo MCP
An intelligent website logo extraction system built on the Model Context Protocol (MCP) that automatically identifies and extracts logo icons from websites.
README
Logo MCP - 基于AI MCP协议的网站Logo提取系统
一个智能的网站Logo提取系统,基于Model Context Protocol (MCP) 构建,能够自动识别并提取网站的Logo图标。
功能特性
-
🔍 智能识别: 支持多种Logo获取方式
- HTML link标签 (favicon, icon)
- Apple Touch Icon
- OpenGraph协议图像
- 页面中的Logo图像元素
- 常见favicon路径检测
-
🎯 智能选择: 当存在多个Logo候选项时,自动选择最符合主视觉的版本
- 基于尺寸、格式、来源的评分系统
- 优先选择SVG矢量格式
- 智能去重和排序
-
🖼️ 格式支持:
- 输入: PNG, JPG, SVG, ICO, WebP, GIF
- 输出: PNG, SVG
- AI优化处理
-
⚡ 错误处理: 完善的错误处理机制,友好的错误提示
安装
# 克隆项目
git clone <repository-url>
cd logo-mcp
# 安装依赖
npm install
# 构建项目
npm run build
使用方法
作为MCP服务器运行
npm start
开发模式
npm run dev
MCP工具
1. extract_logo - 提取网站Logo
从指定网站URL提取Logo图标。
参数:
url
(必需): 要提取Logo的网站URLoptimize
(可选): 是否对Logo进行AI优化处理,默认为trueformat
(可选): 输出格式选择 ('png', 'svg', 'both'),默认为'both'size
(可选): 输出图片尺寸(像素),默认为256
示例:
{
"name": "extract_logo",
"arguments": {
"url": "https://www.google.com",
"optimize": true,
"format": "both",
"size": 256
}
}
返回结果:
{
"url": "https://www.google.com",
"logoUrl": "https://www.google.com/favicon.ico",
"type": "favicon",
"source": "HTML link标签",
"originalSize": {"width": 32, "height": 32},
"originalFormat": "ico",
"files": [
{
"format": "png",
"size": 256,
"data": "base64编码的图片数据",
"optimized": true
},
{
"format": "svg",
"data": "SVG内容",
"optimized": true
}
]
}
2. analyze_logo_candidates - 分析Logo候选项
分析网站的所有Logo候选项并返回详细信息。
参数:
url
(必需): 要分析的网站URL
示例:
{
"name": "analyze_logo_candidates",
"arguments": {
"url": "https://www.apple.com"
}
}
返回结果:
{
"url": "https://www.apple.com",
"totalCandidates": 5,
"candidates": [
{
"index": 1,
"url": "https://www.apple.com/favicon.ico",
"type": "favicon",
"source": "HTML link标签",
"score": 85,
"attributes": {"sizes": "32x32", "type": "image/x-icon"}
}
],
"recommended": {
"url": "https://www.apple.com/apple-touch-icon.png",
"type": "apple-touch-icon",
"source": "Apple Touch Icon",
"score": 95
}
}
评分系统
系统使用智能评分算法来选择最佳Logo:
Favicon评分 (基础分60)
- 尺寸加分: ≥128px (+30), ≥64px (+20), ≥32px (+10)
- 格式加分: SVG (+20), PNG (+15)
Apple Touch Icon评分 (基础分80)
- 尺寸加分: ≥180px (+20), ≥120px (+15), ≥76px (+10)
Logo图像评分 (基础分50)
- Alt属性: 包含"logo" (+25), "brand" (+15), "company" (+10)
- Class属性: 包含"logo" (+20), "brand" (+15)
- 路径: 包含"logo" (+15), "brand" (+10), SVG格式 (+10)
常见路径评分
/logo.svg
: 95分/logo.png
: 90分/assets/logo.svg
: 90分/apple-touch-icon.png
: 85分/assets/logo.png
: 85分
技术架构
- TypeScript: 类型安全的开发体验
- MCP SDK: Model Context Protocol支持
- Cheerio: HTML解析和DOM操作
- Axios: HTTP请求处理
- Sharp: 图像处理和优化
- URL Parse: URL解析和处理
错误处理
系统包含完善的错误处理机制:
- 网络超时处理 (10秒超时)
- 重定向跟踪 (最多5次)
- 图像格式验证
- 友好的错误消息
- 优雅降级处理
开发
项目结构
logo-mcp/
├── src/
│ ├── index.ts # MCP服务器主入口
│ ├── logo-extractor.ts # Logo提取核心逻辑
│ └── logo-optimizer.ts # 图像优化处理
├── dist/ # 编译输出目录
├── package.json
├── tsconfig.json
└── README.md
开发命令
# 开发模式
npm run dev
# 构建
npm run build
# 启动
npm start
# 测试
npm test
许可证
MIT License
贡献
欢迎提交Issue和Pull Request来改进这个项目!
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