Stamp it - Apply a full-screen watermark to an image
@LiuHao-1443
About Stamp it - Apply a full-screen watermark to an image
A lightweight MCP component for adding text watermarks to pictures.
Config
Add this server to your MCP-compatible client using the configuration below.
{
"mcpServers": {
"stampit": {
"command": "uvx",
"args": [
"mcp-stampit"
]
}
}
}Tools
No tools detected
Fetch the live tool list by running this server in a temporary sandbox using the button above.
Overview
What is Stamp it - Apply a full-screen watermark to an image?
Stamp it is a professional image watermarking service built with FastMCP that supports both text and image watermarks with intelligent color adaptation. It is designed for users who need to apply full-screen, high-density watermarks to local image files.
How to use Stamp it - Apply a full-screen watermark to an image?
Configure the MCP server in a client like Cherry Studio or Cursor using the command uvx mcp-stampit, or run it standalone with python main.py. Two tools are available: add_text_watermark (takes image_path, watermark_text, optional angle) and add_image_watermark (takes image_path, watermark_image_path, optional angle).
Key features of Stamp it - Apply a full-screen watermark to an image?
- Dual watermark modes (text and image)
- Smart adaptive color selection based on brightness
- Tilted watermark effects with customizable angle
- Multi-language support (Chinese, English, Japanese, Korean)
- High-density coverage with staggered arrangement
- Auto-save in the same directory as original image
- Supports JPEG, PNG, GIF, BMP, TIFF, WebP formats
Use cases of Stamp it - Apply a full-screen watermark to an image?
- Add copyright text to personal vacation photos
- Apply company logo watermark to product images
- Mark documents as “Confidential” with angled text
- Add brand watermark to marketing images in batch
- Protect images shared publicly with a visible watermark overlay
FAQ from Stamp it - Apply a full-screen watermark to an image?
What image formats are supported?
JPEG, PNG, GIF, BMP, TIFF, and WebP — all can be read and saved with compression optimization.
What dependencies are required?
The server requires fastmcp and pillow Python packages, installable via uv pip install fastmcp pillow.
Where are watermarked images saved?
They are automatically saved in the same directory as the original image with a _watermark suffix added to the filename.
What transport does the MCP server use?
The server runs on STDIO transport, as shown in the startup log.
Can I customize the watermark angle?
Yes, the default tilt angle is 30° (upward right) and can be changed via the optional angle parameter in both tools.
Frequently asked questions
What image formats are supported?
JPEG, PNG, GIF, BMP, TIFF, and WebP — all can be read and saved with compression optimization.
What dependencies are required?
The server requires `fastmcp` and `pillow` Python packages, installable via `uv pip install fastmcp pillow`.
Where are watermarked images saved?
They are automatically saved in the same directory as the original image with a `_watermark` suffix added to the filename.
What transport does the MCP server use?
The server runs on STDIO transport, as shown in the startup log.
Can I customize the watermark angle?
Yes, the default tilt angle is 30° (upward right) and can be changed via the optional `angle` parameter in both tools.
Basic information
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