mermaid-mcp

Overview

The Mermaid MCP Server enables AI assistants to generate professional architecture diagrams, flowcharts, sequence diagrams, and more using natural language. It provides a Model Context Protocol interface for seamless integration with AI coding assistants like GitHub Copilot and Claude. The server supports 22+ diagram types including flowcharts, sequences, ERDs, state machines, and Gantt charts, producing production-ready SVG files.

Try asking AI

After installing, here are 3 things you can ask your AI assistant:

• generate_mermaid_diagram

  Generate various types of diagrams including flowcharts, sequence diagrams, architecture diagrams, and more using natural language descriptions.

  Try:Create a microservices architecture diagram for an e-commerce platformTry:Generate a CI/CD pipeline flowchart showing GitHub Actions workflowTry:Show me a sequence diagram for user authentication with OAuth

Note: Inferred from usage examples and server description, as the README doesn't explicitly list tool names or signatures. Based on the server's purpose of generating Mermaid diagrams via MCP.

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Installation

npm install -g @narasimhaponnada/mermaid-mcp-server
mermaid-mcp --version

git clone https://github.com/Narasimhaponnada/mermaid-mcp.git
cd mermaid-mcp/mermaid-mcp-server
npm install
npm run build

{
  "github.copilot.mcp.servers": {
    "mermaid": {
      "command": "mermaid-mcp"
    }
  }
}

{
  "mcpServers": {
    "mermaid": {
      "command": "mermaid-mcp"
    }
  }
}

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