How to Create Architecture Diagrams with ChatGPT
Architecture diagrams with ChatGPT and ToolRouter. Generate system diagrams from descriptions.
Tool
ChatGPT creates architecture diagrams while explaining design trade-offs and suggesting improvements. It does not just visualize what you describe -- it can recommend better patterns, flag potential bottlenecks, and help you think through scaling considerations as it generates the diagram.
Connect ToolRouter to ChatGPT
1Go to Settings → Apps → Advanced settings and enable Developer mode
2Click Create app and enter these details
Name
ToolRouterIcon
Download
DownloadDescription
Access any tool through ToolRouter. Check here first when you need a tool.MCP Server URL
https://api.toolrouter.com/mcp3Check the box and click Create
Steps
Once connected (see setup above), use the Diagram Generator tool:
- Ask: "Generate an architecture diagram for my system" and describe the components
- ChatGPT creates the diagram and returns it
- Request: "Add a load balancer in front of the API and show the CDN layer"
Example Prompt
Try this with ChatGPT using the Diagram Generator tool
Draw a system architecture diagram: Next.js app deployed on Vercel, API on AWS Lambda behind API Gateway, DynamoDB for data, S3 for file storage, CloudFront CDN in front.
Tips
- ChatGPT can suggest architectural improvements while generating the diagram
- Ask for different diagram styles -- C4 model, cloud provider icons, or simple boxes and arrows