mermaid-diagrams

Render and validate Mermaid diagrams embedded in Markdown.

9|Updated Feb 10, 2026

Search Tags:#architecture #documentation #markdown #mermaid #flowchart #diagramming #diagrams

Ready to run

npx skills add https://github.com/stueeey/RepoQL.Public --skill mermaid-diagrams-stueeey

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/stueeey/RepoQL.Public/tree/main/plugins/repoql/skills/mermaid-diagrams
Command: npx skills add https://github.com/stueeey/RepoQL.Public --skill mermaid-diagrams-stueeey

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Diagramming complex processes for human readers can be verbose and error-prone. Mermaid provides a lightweight, text-based language that enables embedding diagrams directly in Markdown files.

Core Features & Use Cases

Support for multiple Mermaid diagram types (flowchart, sequence, mindmap, ER, gantt, state, and more) to visualize processes, data, and architecture.
Built-in guidance for accessibility, color contrast, labels, and edge directions to improve readability across light and dark modes.
Useful for documentation, architecture reviews, onboarding guides, and design briefs that illustrate workflows, timelines, and relationships.

Quick Start

Create a simple Mermaid diagram in your Markdown by writing its syntax inside your document.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema

How do I embed Mermaid diagrams in Markdown documentation?▼

To embed Mermaid diagrams in Markdown, write the Mermaid syntax directly inside your Markdown files. This Skill validates the syntax and renders flowcharts, sequence diagrams, and ER diagrams to communicate processes and architectures.

What types of diagrams can I generate using Mermaid syntax?▼

Mermaid syntax supports generating flowcharts, sequence diagrams, mind maps, ER diagrams, Gantt charts, state machines, and timelines. These text-based diagrams visualize workflows, data flows, and architecture directly within documentation.

Does this Mermaid diagram tool check accessibility and color contrast?▼

Yes, this Mermaid diagram tool checks accessibility by validating color contrast, labels, and color usage. It ensures your diagrams remain readable across both light and dark themes for technical briefs.

What is the best way to validate Mermaid syntax for architecture reviews?▼

The best way to validate Mermaid syntax for architecture reviews is to use this Skill, which checks syntax validity and guides edge directions. It ensures your text-based diagrams accurately illustrate workflows and relationships.

Can I use Mermaid diagrams for onboarding guides and design briefs?▼

Yes, you can use Mermaid diagrams for onboarding guides and design briefs. The Skill renders and validates text-based diagrams to illustrate timelines, state machines, and data flows effectively for human readers.

Why use text-based diagrams instead of visual editors for technical documentation?▼

Text-based diagrams written in Mermaid prevent the verbose and error-prone nature of manual diagramming. They enable embedding lightweight, readable processes and architectures directly in Markdown files.