mermaid-diagram

Generates validated Mermaid diagrams from text or code using mermaid-cli.

9|3|Updated Jun 13, 2026
One-click install
npx skills add https://github.com/Sir-chawakorn/sanook-cli --skill mermaid-diagram-sir-chawakorn
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-diagram
Source: https://github.com/Sir-chawakorn/sanook-cli/tree/main/skills/mermaid-diagram
Command: npx skills add https://github.com/Sir-chawakorn/sanook-cli --skill mermaid-diagram-sir-chawakorn

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @mermaid-js/mermaid-cli.

What problem does it solve?

This Skill eliminates the friction of manually drawing diagrams by converting textual requirements, code, or system descriptions into validated, professional-grade Mermaid diagrams.

Core Features & Use Cases

  • Multi-Format Support: Generates flowcharts, sequence diagrams, ER models, class diagrams, state machines, C4 architecture, Gantt charts, mindmaps, and git graphs.
  • Automated Validation: Ensures every diagram is syntactically correct and renderable via mermaid-cli before delivery.
  • Use Case: When documenting a complex API flow, use this skill to generate a sequence diagram directly from your code logic to ensure the documentation is always accurate and visually clear.

Quick Start

Use the mermaid-diagram skill to generate a flowchart representing the user authentication process described in the project documentation.

Frequently Asked Questions about mermaid-diagram

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

FAQPage Schema
How do I generate a sequence diagram from code logic for technical documentation?

To generate a sequence diagram from code logic, this Skill parses your textual system descriptions and code to automatically produce validated Mermaid syntax. It ensures the resulting sequence diagrams are syntactically correct and renderable for technical documentation.

Can I visualize system architecture using Mermaid flowcharts without manual drawing?

You can visualize system architecture using Mermaid flowcharts by providing textual requirements to this Skill. It eliminates manual drawing by converting descriptions into validated, professional-grade flowcharts that accurately represent your architecture.

Do I need mermaid-cli to render diagrams into SVG or PNG formats?

Yes, you need mermaid-cli installed to render diagrams into SVG or PNG formats. This Skill requires mermaid-cli to perform automated syntax validation and rendering, ensuring every generated diagram is syntactically correct before delivery.

What types of diagrams can I create for system visualization beyond flowcharts?

For system visualization, you can create sequence diagrams, entity-relationship models, class diagrams, state machines, C4 architecture, Gantt charts, mindmaps, and git graphs. This Skill supports multi-format Mermaid diagram generation from textual descriptions.

What is the best way to ensure my Mermaid diagram syntax is valid before exporting?

The best way to ensure valid Mermaid diagram syntax is using automated validation via mermaid-cli. This Skill performs syntax validation on every generated diagram before delivery, guaranteeing your flowcharts and ER models are renderable and error-free.