plantuml_web
Using nicegui as a PlantUML frontend, you can deploy PlantUML on an intranet.
It's a nicegui demo project with an added MCP (Model Context Protocol) server that exposes PlantUML functionality to AI assistants.
Plantuml jar version: plantuml-1.2025.3.jar
Features
Web Interface
- Interactive PlantUML editor with live preview
- Save and load diagrams
- Responsive UI with resizable panels
MCP Server
- Generate PlantUML diagrams in SVG or PNG format
- Validate PlantUML code with detailed error messages
Usage:
With Docker
docker build -t plantuml_web_mcp .
# or pull from dockerhub
# docker pull 2niuhe/plantuml_web_mcp:latest
docker run -d -p 8080:8080 -p 8765:8765 plantuml_web_mcp:latestThen you can access:
- Web interface: http://127.0.0.1:8080
- MCP server: http://127.0.0.1:8765/sse
Without Docker
pip install -r requirements.txt
sh start.shThe start script will launch:
- PlantUML server on port 8000
- Web interface on port 8080
- MCP server on port 8765
Connecting to the MCP Server
You can connect to the MCP server using any MCP client, such as Claude Desktop:
