mermaid

Create version-controlled Mermaid diagrams as plain text in Markdown.

3|Updated Jan 7, 2026
One-click install
npx skills add https://github.com/flight505/nano-banana --skill mermaid-flight505
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/flight505/nano-banana/tree/main/skills/mermaid
Command: npx skills add https://github.com/flight505/nano-banana --skill mermaid-flight505

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Create maintainable Mermaid diagrams as plain text that can be version-controlled.

Core Features & Use Cases

  • Version-controlled diagrams: Treat diagrams as code for easy diff, review, and collaboration.
  • Markdown-friendly: Embed Mermaid diagrams directly in Markdown docs, READMEs, and wikis.
  • Multi-type support: Create Flowcharts, Sequence, Class, ER, State, Gantt, Pie, and more with consistent syntax.
  • Documentation-first workflows: Use Mermaid to document architectures, workflows, and processes alongside code.

Quick Start

Write Mermaid syntax directly in your Markdown documents to create diagrams. Example: flowchart TD A-->B This will render in Mermaid-compatible environments.

Frequently Asked Questions about mermaid

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

FAQPage Schema
How do I create version-controlled diagrams for a Git repository?

You can create version-controlled diagrams by writing Mermaid syntax as plain text in Markdown documents. This allows you to track changes, diff, and review architecture notes directly within your Git repository.

Can I embed Mermaid diagrams in Markdown documentation for GitHub and GitLab?

Yes, Mermaid diagrams can be embedded directly in Markdown docs, wikis, and READMEs. They are compatible with GitHub and GitLab renderers, allowing native rendering of flowcharts and sequence diagrams.

What types of diagrams can I generate using text-based syntax in Markdown?

Text-based Mermaid syntax supports generating Flowcharts, Sequence, Class, ER, State, Gantt, and Pie diagrams. This provides consistent visual documentation for various architecture and process workflows.

What is the best way to maintain architecture diagrams alongside code?

The best way to maintain architecture diagrams is treating them as code using Mermaid. By embedding text-based diagrams in Markdown documentation, they stay synchronized with code changes and remain version-controlled.

Do I need any special tools to render Mermaid diagrams in my documentation?

You need an environment with Mermaid syntax support and multi-diagram-type rendering. Common Markdown tooling and platforms like GitHub or GitLab already include built-in compatibility to render these diagrams natively.