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Watermark

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MCP server for adding text and image watermarks to PDF documents, with customizable font size, color, opacity, rotation, and scale, plus PDF preview functionali

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About

MCP server for adding text and image watermarks to PDF documents, with customizable font size, color, opacity, rotation, and scale, plus PDF preview functionality.

README

一个为 PDF 文档提供水印功能的 Model Context Protocol(MCP)服务器。

功能特点

  • 文字水印:为所有页面添加斜角文字水印
  • 图片水印:为所有页面添加图片水印(徽标、图标)
  • 预览功能:预览 PDF 文件信息
  • 可自定义:支持字体大小、颜色、透明度、旋转角度、缩放

快速开始

安装

cd /path/to/mcp-watermark
python3 -m venv .venv
source .venv/bin/activate
pip install -r requirements.txt

在 Cursor 中配置

添加到 Cursor 设置文件(settings.json):

{
  "mcpServers": {
    "pdf-watermark": {
      "command": "/path/to/mcp-watermark/.venv/bin/python",
      "args": ["/path/to/mcp-watermark/pdf_watermark_server.py"]
    }
  }
}

可用工具

工具 说明
add_text_watermark 为所有页面添加斜角文字水印
add_image_watermark 为所有页面添加图片水印
preview_pdf 预览 PDF 文件信息

使用示例

添加文字水印

{
  "input_path": "/path/to/document.pdf",
  "output_path": "/path/to/output.pdf",
  "text": "机密文件",
  "font_size": 60,
  "color": "#FF0000",
  "opacity": 0.2,
  "rotation": -45
}

添加图片水印

{
  "input_path": "/path/to/document.pdf",
  "output_path": "/path/to/output.pdf",
  "image_path": "/path/to/logo.png",
  "opacity": 0.25,
  "scale": 0.5
}

项目结构

mcp-watermark/
├── pdf_watermark_server.py   # MCP 服务器主程序
├── requirements.txt          # Python 依赖
├── SKILL.md                  # MCP 工具文档
└── README.md                 # 本文件

环境要求

  • Python 3.10+
  • pypdf >= 4.0.0
  • mcp[cli] >= 1.1.0

许可证

MIT

from github.com/xecho-dev/mcp-watermark

Installing Watermark

This server has no published package — it is built from source. Open the repository and follow its README.

▸ github.com/xecho-dev/mcp-watermark

FAQ

Is Watermark MCP free?

Yes, Watermark MCP is free — one-click install via Unyly at no cost.

Does Watermark need an API key?

No, Watermark runs without API keys or environment variables.

Is Watermark hosted or self-hosted?

Self-hosted: the server runs locally on your machine via the install command above.

How do I install Watermark in Claude Desktop, Claude Code or Cursor?

Open Watermark on unyly.org, pick your client tab (Claude Desktop, Claude Code, Cursor) and press Install — the config is generated automatically, no JSON editing.

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