mermaid

Create and edit Mermaid diagrams in Markdown files with frontmatter configuration.

Updated Aug 27, 2026
One-click install
npx skills add https://github.com/achhina/dotfiles --skill mermaid
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/achhina/dotfiles/tree/main/nix/home-manager/modules/coding-agents/claude/skills/mermaid
Command: npx skills add https://github.com/achhina/dotfiles --skill mermaid

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill eliminates the tedious manual work of creating and maintaining clear, professional diagrams. It automates the generation and modification of various diagram types, allowing you to focus on communicating your ideas rather than wrestling with drawing tools.

Core Features & Use Cases

  • Automated Diagram Creation: Generate flowcharts, sequence diagrams, architecture diagrams, Gantt charts, mindmaps, and more from simple text descriptions.
  • Effortless Editing & Customization: Easily update themes, styling, and content of existing diagrams without manual redrawing.
  • Use Case: Quickly create a sequence diagram to illustrate an API interaction flow for a new feature, or update an existing architecture diagram to reflect recent system changes, saving hours of design work.

Quick Start

Use the mermaid skill to create a flowchart showing the steps for user login: Start, Enter Credentials, Authenticate, Success/Fail.

Frequently Asked Questions about mermaid

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

FAQPage Schema
How do I create flowcharts and sequence diagrams in Markdown?

Create flowcharts and sequence diagrams directly in Markdown using Mermaid syntax. Define diagram type, nodes, and connections as text, and Mermaid renders them as visual diagrams without requiring external drawing tools or plugins.

Can I edit and update existing architecture diagrams without redrawing?

Yes. Edit existing Mermaid diagrams by modifying the text syntax in Markdown files. Update content, styling, and themes through frontmatter configuration, and changes render instantly without manual redesign.

What diagram types does Mermaid support?

Mermaid supports flowcharts, sequence diagrams, state diagrams, architecture diagrams, entity relationship diagrams, Gantt charts, timelines, mindmaps, user journeys, and Sankey diagrams—all created and customized through text markup in Markdown.

How do I customize the appearance and theme of my diagrams?

Customize diagram appearance using frontmatter-based configuration in Markdown files. Apply themes, adjust styling, and register icons to match your documentation or system design without editing diagram logic.

What's the best way to document system architecture and workflows?

Use Mermaid architecture and sequence diagrams to document system flows and interactions as text. Store diagrams alongside Markdown documentation, version control them with your codebase, and update them as systems evolve.