📊 ECharts MCP Server

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A Model Context Protocol (MCP) server that generates beautiful chart images from ECharts configurations.

✨ Features

• 🎨 Generate high-quality chart images from ECharts configurations

• 🖼️ Support for various chart types (bar, line, pie, scatter, etc.)

• 📐 Customizable dimensions (width/height)

• 🎯 Easy integration with AI assistants via MCP

Related MCP server: Excalidraw MCP Server

⚙️ Configuration

.cursor/mcp.json

{
  "mcpServers": {
    "echarts-mcp": {
      "command": "npx",
      "args": ["echarts-mcp"],
    }
  }
}

🔧 Local Development

If you want to run from source:

# Clone the repository
git clone https://github.com/w2xi/echarts-mcp.git
cd echarts-mcp

# Install dependencies
npm install

# Run the server
npm start

Then configure your MCP client:

{
  "mcpServers": {
    "echarts-mcp": {
      "command": "node",
      "args": ["/path/to/echarts-mcp/cli.js"],
      "env": {}
    }
  }
}

📖 Usage

Once configured, you can use the MCP server in your AI assistant by requesting chart generation:

Example Prompts:

• "Generate a bar chart showing sales data for the last 6 months"

• "Create a pie chart displaying market share distribution"

• "Make a line chart with temperature data over time"

Tool Parameters:

• width: Chart width in pixels (e.g., 1000)

• height: Chart height in pixels (e.g., 500)

• echarts: ECharts configuration object as string

Example ECharts Configuration:

{
  backgroundColor: '#fff',
  title: {
    text: 'Monthly Sales Data'
  },
  tooltip: {},
  legend: {
    data: ['Sales']
  },
  xAxis: {
    data: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun']
  },
  yAxis: {},
  series: [{
    name: 'Sales',
    type: 'bar',
    data: [120, 200, 150, 80, 70, 110]
  }]
}

🛠️ Development

Scripts

• npm start - Start the MCP server

• npm test - Run test charts

• npm run inspect - Inspect the MCP server with debugging tools

Dependencies

• ECharts: Chart generation library

• Canvas: Server-side canvas rendering

• MCP SDK: Model Context Protocol implementation

• Zod: Schema validation

🤝 Contributing

Contributions are welcome! Please feel free to submit a Pull Request.

📄 License

MIT License

🔗 Links

• ECharts Documentation

• Model Context Protocol

Made with ❤️ by w2xi