Watermark MCP Server

a simple Model Context Protocol (MCP) server that adds text or images watermarks to picture.

Available Tools

• add_text_watermark - add text watermark to picture

  • input_image_path (str): Path to the input image
  • output_image_path (str): Output path for the watermarked image
  • watermark_text (str): Watermark text content
  • pos_ratio (list): Watermark position ratio
  • font_path (str): Path to the font file
  • font_size (int): Font size
  • color (list): RGB value of the text color
  • transparency (int): Text transparency

• add_image_watermark - add image watermark to picture

  • input_image_path (str): Path to the input image
  • watermark_image_path (str): Path to the watermark image
  • output_image_path (str): Output path for the watermarked image
  • pos_ratio (list): Watermark position ratio
  • transparency (int): Watermark transparency

Local Setup

git clone https://github.com/mang0cola/watermark-mcp-server.git
cd watermark-mcp-server
uv venv
uv pip install -r pyproject.toml

Add to MCP client

for claude

{
    "mcpServers": {
        "watermark-mcp-server": {
            "command": "uv",
            "args": [
                "--directory",
                "<WATERMARK_MCP_SERVER_ABSOLUTE_PATH>",
                "run",
                "-m",
                "server"
            ],
        },
    }
}

for CherryStudio

{
  "mcpServers": {
    "watermark-mcp-server": {
      "name": "watermark-mcp-server",
      "type": "stdio",
      "isActive": true,
      "registryUrl": "",
      "command": "uv",
      "args": [
        "--directory",
        "<WATERMARK_MCP_SERVER_ABSOLUTE_PATH>",
        "run",
        "-m",
        "server"
      ]
    }
  }
}