TinyPNG MCP Server

TinyPNG MCP Server

Enables batch image compression and resizing using the TinyPNG API. Supports PNG, JPEG, WebP, and AVIF formats with detailed compression reports and multiple resize modes.

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README

TinyPNG MCP Server 使用指南

本项目是一个基于 Model Context Protocol (MCP) 的图片压缩服务器,使用 TinyPNG API 来优化图片。

功能特性

  • ✅ 支持批量压缩目录中的所有图片
  • ✅ 支持多种图片格式:.png, .jpg, .jpeg, .webp, .avif
  • ✅ 自动覆盖原始文件(节省存储空间)
  • ✅ 详细的压缩报告(文件大小变化、压缩比例)
  • ✅ 安全的 API 密钥管理(通过环境变量)
  • ✅ 完整的错误处理和日志记录

前置环境

需要安装Node.js环境

Recommend Node.js version >= 20

Download Node.js

安装配置

1. 获取 TinyPNG API 密钥

  1. 访问 TinyPNG Developer API
  2. 使用邮箱注册账号
  3. 获取免费的 API 密钥(每月 500 次免费压缩)

2. 配置 MCP 客户端

创建或修改你的 MCP 配置文件,目前支持的客户端(或命令行工具)有Cursor,gemini-cli,Claude Code,Claude Desktop,Trae...

{
  "mcpServers": {
    "mcp-tinify-image": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-tinify-image"
      ],
      "env": {
        "TINIFY_API_KEY": "YOUR_TINIFY_API_KEY"
      }
    }
  }
}

使用方法

可用工具

minify_image

压缩指定目录中的所有支持的图片文件。支持嵌套结构。

参数:

  • directoryPath (string): 包含要压缩图片的目录路径

示例:

# 压缩 ./images 目录中的所有图片
minify_image {
  "directoryPath": "./images"
}

输出示例:

✅ photo1.jpg: 2048000 → 512000 bytes (75.0% reduction)
✅ screenshot.png: 1024000 → 256000 bytes (75.0% reduction)
❌ corrupted.jpg: Invalid image format

📊 Total compressions used this month: 15
✅ Successfully compressed: 2 images
❌ Failed to compress: 1 images

resize_image

调整指定图片尺寸。

参数:

{
    imagePath: z.string().describe('Path to the image file to resize'),
    width: z.number().optional().describe('Target width in pixels'),
    height: z.number().optional().describe('Target height in pixels'),
    method: z.enum(['fit', 'scale', 'cover', 'thumb']).describe('Resize method'),
    outputPath: z.string().optional().describe('Output path for resized image'),
  },

method参数模式说明

模式 说明 适用场景
fit 保持宽高比,适配指定尺寸 缩略图生成
scale 按比例缩放 等比缩放
cover 裁剪填充指定尺寸 封面图制作
thumb 智能缩略图模式 头像处理

示例:

# 调整图片尺寸
@icon-logo.png 帮我修改图片尺寸,高度60宽度60

测试结果:

✅ 调整结果
原图片: icon-logo.png (4.4KB)
新图片: icon-logo-60x60.png (1.9KB)
尺寸: 调整为 60x60 像素
调整方法: fit (保持宽高比)
文件大小减少: 57.3%

支持的图片格式

根据 TinyPNG 官方文档,支持以下格式:

  • PNG - 便携式网络图形
  • JPEG/JPG - 联合图像专家组格式
  • WebP - 现代网络图片格式
  • AVIF - AV1 图像文件格式

限制说明

  • 免费账户: 每月 500 次压缩
  • 付费账户: 根据订阅计划不同
  • 文件大小: 单个文件最大 5MB
  • 并发请求: TinyPNG 有合理的速率限制

相关链接

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