Gemini Watermark Remove MCP Server

MCP server for removing Gemini AI watermarks from generated images.

Local Stdio Mode

[!CAUTION]

Due to sharp compilation limitations, if you are on Linux or MacOS, it is recommended to globally install it so that it can run properly.

npm install -g gemini-watermark-remover-mcp

Claude Desktop

{
  "mcpServers": {
    "gemini-watermark-remove": {
      "command": "npx",
      "args": ["-y", "gemini-watermark-remover-mcp"]
    }
  }
}

OpenCode

{
  "mcp": {
    "gemini-watermark-remove": {
      "command": ["npx", "-y", "gemini-watermark-remover-mcp"],
      "type": "local",
      "enabled": true
    }
  }
}

Development

Prerequisites

• Node.js >= 22
• npm

Installation

# Clone or download the project
cd gemini-watermark-remover-mcp

# Install dependencies
npm install

# Build the project
npm run build

Running

Development mode (hot reload):

npm run dev

Production mode:

npm start
# or
node dist/index.js

Local Development Debug Config

For debugging after modifying source code, you can use the locally built version:

Claude Desktop:

{
  "mcpServers": {
    "gemini-watermark-remove": {
      "command": "node",
      "args": ["/path/to/gemini-watermark-remover-mcp/dist/index.js"]
    }
  }
}

MCP Tool Usage

gemini_remove_watermark

Removes the Gemini AI watermark from generated images.

Parameters:

| Parameter | Type | Required | Default | Description | |-----------|------|----------|---------|-------------| | input_path | string | Yes | - | Input image path (PNG, JPG, WEBP) | | output_path | string | Yes | - | Output image path | | response_format | string | No | markdown | Output format: markdown or json | | jpeg_quality | number | No | 95 | JPEG quality (1-100) | | webp_quality | number | No | 80 | WEBP quality (1-100) | | png_compression_level | number | No | 6 | PNG compression level (0-9) |

License

This project is licensed under the MIT License

Acknowledgments

This project is based on journey-ad/gemini-watermark-remover.

Thanks for the original implementation!