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

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

{
  "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
}

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

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