PlantUML MCP Server

MCP server that provides PlantUML diagram generation capabilities

Local serverstdio

What is the PlantUML MCP Server?

MCP server that provides PlantUML diagram generation capabilities

What it actually does

A Model Context Protocol (MCP) server that provides PlantUML diagram generation capabilities for Claude Desktop and Claude Code.

Configuration

  • Node.js 18+ - npm

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Maintainer setup documentation.

How to install the PlantUML MCP Server

{
  "mcpServers": {
    "plantuml": {
      "command": "npx",
      "args": [
        "plantuml-mcp-server"
      ],
      "env": {
        "PLANTUML_SERVER_URL": "https://www.plantuml.com/plantuml"
      }
    }
  }
}

From the project documentation. Replace placeholders and example paths before connecting.

Configuration

  • Node.js 18+ - npm
VariableDescriptionRequired
PLANTUML_SERVER_URLDeclared in the maintainer’s client configuration.Check documentation

Example prompts to try

  • “Use PlantUML to Prerequisites.”

Frequently asked questions

MCP server that provides PlantUML diagram generation capabilities Confirm the tools offered by your installed version in the connected client. Tool availability and permissions depend on the server and account configuration.