Generates, validates, and fixes professional Mermaid diagrams from text-based markup files.
The Mermaid CLI skill empowers Claude to create, verify, and repair a wide variety of technical diagrams—including flowcharts, sequence diagrams, and ER diagrams—directly within the development workflow. By leveraging the official mmdc tool, it converts declarative Mermaid syntax into high-quality SVG, PNG, or PDF assets, providing an automated 'diagram-as-code' experience that ensures syntax correctness through iterative validation and error fixing.
Key Features
01Batch process Markdown files by replacing code blocks with rendered images
02Support for 20+ diagram types including Gantt, ER, and Class diagrams
037 GitHub stars
04Customizable appearance via themes, CSS, and configuration JSON
05Generate SVG, PNG, and PDF diagrams from .mmd text files
06Automated syntax validation with detailed error reporting and fixing
Use Cases
01Converting text-based architecture designs into publication-ready visual assets
02Debugging and fixing broken Mermaid syntax in existing project repositories
03Automating technical documentation updates with embedded visual diagrams
