1. Conduid
  2. Commerce
  3. 2niuhe/plantuml_web
MCP server · Commerce

2niuhe/plantuml_web

by · github.com/2niuhe/mcp_plantuml

Generate PlantUML Diagrams as PNG/SVG with Embedded Web Viewer

Unclaimed Apache-2.0 last commit a year ago mcpplantumldiagramumlsequence-diagramclass-diagramactivity-diagramentity-relationship-diagramaugment-codemodel-context-protocol
InstallView source
54Fair

Scored 8 days ago · breakdown

About 2niuhe/plantuml_web

2niuhe/plantuml_web is an MCP server published by 2niuhe in the Commerce category: generate PlantUML Diagrams as PNG/SVG with Embedded Web Viewer.

The repository has 15 stars and 4 forks, with the last commit a year ago. Six months or more without a commit doesn't mean the server is broken, but check the open issues before depending on it in production.

Install

Claude Code
claude mcp add plantuml -- npx -y @brainstack/plantuml-mcp
npx
npx -y @brainstack/plantuml-mcp

This server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.

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Security checks

Static checks derived from the repository 2 hours ago. Heuristics on the source, not an audit.

  • ✓README presentThe repository ships documentation.
  • ✓License declaredUsable under a stated license.
  • ✓Tests presentA test suite exists in the repository.
  • !Dependencies pinnedNo lockfile. Installs can pull different code over time.
  • ✓No dynamic code executionSource scan found no eval, dynamic Function, or shell execution.
  • !Scoped permissionsDoesn't declare a permission scope. Assume it can do anything its process can.

README

plantuml_web

Trust Score 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

demo

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:latest

Then 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.sh

The start script will launch:

  1. PlantUML server on port 8000
  2. Web interface on port 8080
  3. 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:

  1. Open Claude Desktop
  2. Go to Settings > MCP Servers
  3. Add a new server with the URL: http://localhost:8765/sse
  4. Restart Claude Desktop

Testing the MCP Server

A test client is provided to verify the MCP server functionality:

python test_plantuml_mcp.py http://localhost:8765/sse

Available MCP Tools

  • generate_plantuml_image: Generate a diagram image from PlantUML code
  • validate_plantuml_syntax: Validate PlantUML code and return validation result

ref

Home · zauberzeug/nicegui Wiki

How to use nicegui for beginners？ · zauberzeug/nicegui · Discussion #1486

Nicegui example and suggestions · zauberzeug/nicegui · Discussion #1778

NiceGUI

syejing/nicegui-reference-cn: NiceGUI 中文版本文档

(1) Use NiceGUI to watch images and do it from the COMMAND LINE! - YouTube

README fetched from the repository 2 hours ago. The original is authoritative.

Questions

About 2niuhe/plantuml_web

How do I install 2niuhe/plantuml_web?

Run claude mcp add plantuml -- npx -y @brainstack/plantuml-mcp, then add the server to your MCP client's configuration.

Is 2niuhe/plantuml_web safe to use with an AI agent?

Its trust score is 54 out of 100 (fair). It passes 4 of the 6 static security checks run so far; the failures are listed above. It has no ConduID identity yet, so agent calls to it are not receipted.

Is 2niuhe/plantuml_web still maintained?

The last commit was a year ago and 1 open issues. That's long enough that you should check whether the maintainer is responding to issues before depending on it.