mermaid

Generate SVG, PNG, or PDF diagrams from Mermaid syntax using mmdc CLI.

8|3|Updated Apr 18, 2026
One-click install
npx skills add https://github.com/KunCheng-He/kk-ai --skill mermaid-kuncheng-he
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/KunCheng-He/kk-ai/tree/main/skills/common/mermaid
Command: npx skills add https://github.com/KunCheng-He/kk-ai --skill mermaid-kuncheng-he

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @mermaid-js/mermaid-cli, and includes references (resource) components.

What problem does it solve?

This Skill solves the challenge of manually creating complex diagrams by allowing you to generate professional-grade charts and graphs directly from text descriptions.

Core Features & Use Cases

  • Multi-Format Rendering: Automatically converts Mermaid syntax into SVG, PNG, or PDF files.
  • Versatile Diagramming: Supports a wide range of types including flowcharts, sequence diagrams, ER diagrams, and Gantt charts.
  • Use Case: When documenting a new system architecture, simply describe the components and their relationships to the AI, and this Skill will render a clean, scalable SVG diagram for your technical documentation.

Quick Start

Use the mermaid skill to draw a flowchart showing the user login process and save it as an svg file.

Frequently Asked Questions about mermaid

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I generate flowcharts from text for automated documentation?

You can generate flowcharts from text by providing text-based Mermaid syntax to the tool, which uses the mmdc CLI to render visual diagrams. This allows you to automate technical documentation and visualize process workflows directly from written descriptions.

What diagram types can I create using Mermaid syntax?

Mermaid syntax supports generating diverse visualization types including system architecture flowcharts, sequence diagrams, ER diagrams, and Gantt charts. These versatile diagramming options cover various data relationships and process workflows for technical reporting.

Can I export Mermaid diagrams as SVG, PNG, or PDF files?

Yes, you can export Mermaid diagrams as SVG, PNG, or PDF files. The multi-format rendering capability automatically converts your text-based syntax into these distinct output formats to satisfy your specific visual communication requirements.

Do I need to install mermaid-cli to render diagrams from text?

Yes, the mermaid-cli package is required to render diagrams from text. The Skill depends on the @mermaid-js/mermaid-cli tool to execute the conversion of your Mermaid syntax into visual output files.

What is the best way to visualize system architecture without manual drawing?

The best way to visualize system architecture without manual drawing is describing components and their relationships in text-based Mermaid syntax. The tool then processes this text to instantly render clean, scalable SVG diagrams for your documentation.

Why use text-based diagram generation over manual chart creation?

Text-based diagram generation solves the challenge of manually creating complex diagrams by allowing you to generate professional-grade charts directly from text descriptions. This approach streamlines automated documentation and ensures scalable visual communication of complex logic.