authoring-mermaid-diagrams

Create and validate Mermaid diagrams for software documentation.

Updated Jan 26, 2026
One-click install
npx skills add https://github.com/indiosmo/skills --skill authoring-mermaid-diagrams
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: authoring-mermaid-diagrams
Source: https://github.com/indiosmo/skills/tree/main/skills/authoring-mermaid-diagrams
Command: npx skills add https://github.com/indiosmo/skills --skill authoring-mermaid-diagrams

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires beautiful-mermaid, and includes scripts (resource) and references (resource) components.

What problem does it solve?

Mermaid diagrams are essential for documenting software architectures and workflows, but authors often struggle with ensuring correct syntax, consistent visuals, and appropriate diagram type selection. This skill provides a guided approach to create, validate, and refine Mermaid diagrams to be both correct and presentation-ready.

Core Features & Use Cases

  • Create and validate Flowchart, Sequence Diagram, State Diagram, Class Diagram, ER Diagram, and Architecture Diagram types.
  • Validate Mermaid syntax using Mermaid CLI and render outputs with optional beautiful-mermaid theming or ASCII-friendly outputs.
  • Review diagrams for readability and aesthetics, fix syntax issues, and choose the right diagram type for a given use case.

Quick Start

Describe your diagram goal and request a Mermaid diagram rendering.

Frequently Asked Questions about authoring-mermaid-diagrams

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

FAQPage Schema
How do I validate Mermaid diagram syntax before adding it to my documentation?

You can validate Mermaid diagram syntax using Mermaid CLI to detect errors and fix broken code in docs. This ensures your flowcharts and sequence diagrams are syntactically correct and render properly before final output.

What is the best way to choose a Mermaid diagram type for a specific workflow?

Choosing a Mermaid diagram type depends on your use case: flowcharts for workflows, sequence diagrams for interactions, state diagrams for state transitions, and ER diagrams for data relationships. The skill guides type selection based on your diagram goal.

Can I apply custom theming to Mermaid diagrams for software documentation?

Yes, you can apply custom theming to Mermaid diagrams using the optional beautiful-mermaid dependency. This allows you to review diagrams for readability and aesthetics, ensuring presentation-ready outputs for software documentation.

How do I fix broken Mermaid code in markdown files?

To fix broken Mermaid code in markdown files, the skill reviews your diagram syntax for issues and applies corrections. It validates the code via Mermaid CLI and renders the output to confirm the diagrams display correctly.

Does this Mermaid diagramming workflow support architecture diagrams?

Yes, this Mermaid diagramming workflow supports architecture diagrams along with flowcharts, sequence diagrams, state diagrams, class diagrams, and ER diagrams. It validates syntax and renders outputs with optional theming for presentation-ready documentation.