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MCP-Diagram

by tenpigs267

Design/Tools & DiagrammingdiagramClaudeD2LangMermaidUMLGanttMindmap

MCP-Diagram is an MCP (Model-Client-Protocol) server that allows you to easily generate diagrams from text descriptions in Claude and other AI assistants. It supports various diagram types, making it simple to visualize ideas and architectures.

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What is MCP-Diagram?

MCP-Diagram is a server that integrates with AI assistants like Claude to generate diagrams from text descriptions. It acts as a bridge, taking textual input and converting it into visual representations using diagramming languages like D2Lang and Mermaid.

How to use MCP-Diagram?

  1. Download the JAR file from the latest release.
  2. Configure Claude Desktop by adding the server to your claude_desktop_config.json file, specifying the path to the JAR file.
  3. Once configured, ask Claude to create diagrams by describing what you want. The MCP server will handle the diagram generation.

Key features of MCP-Diagram

  • Generates diagrams from text descriptions

  • Supports D2Lang and Mermaid diagramming languages

  • Creates various diagram types (architecture, UML, ER, sequence, Gantt, mind maps, timelines)

  • Integrates with Claude and other AI assistants

Use cases of MCP-Diagram

  • Visualizing software architectures

  • Creating UML class diagrams

  • Generating entity-relationship diagrams

  • Designing sequence diagrams

  • Planning projects with Gantt charts

  • Brainstorming with mind maps

  • Creating timelines for historical events or project milestones

FAQ from MCP-Diagram

What are the prerequisites for using MCP-Diagram?

You need Java Runtime Environment (JRE) 17 or higher and Claude Desktop installed for integration.

How do I install MCP-Diagram?

Download the JAR file from the latest release and configure Claude Desktop by adding the server to your claude_desktop_config.json file.

The MCP server is not starting. What should I do?

Verify that Java version 17 or higher is correctly installed (java -version). Ensure the path to the JAR file is correct in your configuration and that the JAR file has the permission to execute.

The diagrams are not displaying. What could be the issue?

Check that your browser can access the internet and that the generated URLs are not blocked by a firewall.

What diagram types are supported?

MCP-Diagram supports architecture diagrams (D2Lang and Mermaid), UML class diagrams (Mermaid), entity-relationship diagrams (Mermaid), sequence diagrams (Mermaid), Gantt charts (Mermaid), mind maps (Mermaid), and timelines (Mermaid).