mermaid-diagrams

Create Mermaid diagrams from plain text using YAML frontmatter.

7|1|Updated Mar 15, 2026
One-click install
npx skills add https://github.com/Harmeet10000/skills --skill mermaid-diagrams-harmeet10000
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/Harmeet10000/skills/tree/main/skills/design/mermaid-diagrams
Command: npx skills add https://github.com/Harmeet10000/skills --skill mermaid-diagrams-harmeet10000

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Mermaid diagrams let engineers and docs teams quickly translate complex software concepts into readable diagrams, improving collaboration and documentation accuracy.

Core Features & Use Cases

  • Diagram types: classDiagram, sequenceDiagram, flowchart, erDiagram, C4 diagrams, state diagrams, git graphs, and ER/DB-related diagrams.
  • Use cases include architecture visualization, domain modeling, API flow mapping, database schemas, and living documentation for design reviews.
  • Real-world example: Model a simple payment flow with a flowchart to illustrate steps from checkout to confirmation.

Quick Start

Create a basic class diagram with two sample entities to visualize a domain model.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I generate a sequence diagram from plain text for API flow mapping?

You can generate a sequence diagram from plain text by defining the API interactions using Mermaid syntax, translating complex software concepts into readable visuals for documentation and design reviews.

Can I use flowcharts for architecture visualization across my documentation?

Yes, you can use Mermaid flowcharts for architecture visualization to model simple workflows, such as a payment flow from checkout to confirmation, improving collaboration and documentation accuracy.

What Mermaid diagram types are supported for domain modeling and database schemas?

Supported Mermaid diagram types for domain modeling and database schemas include classDiagram, erDiagram, C4 diagrams, state diagrams, and git graphs to visualize domain models and data workflows.

Does this approach work for living documentation in software engineering design reviews?

Yes, creating Mermaid diagrams from plain text works for living documentation in software engineering, enabling docs teams to quickly translate complex concepts into readable diagrams for design reviews.

What is the best way to create an ER diagram from text without drawing tools?

The best way to create an ER diagram without drawing tools is using Mermaid erDiagram syntax, which lets you define database schemas and data workflows directly from plain text.

Do I need YAML frontmatter to manage Mermaid diagram discovery?

You need YAML frontmatter for discovery of Mermaid diagrams, alongside optional references to guide usage, ensuring your architecture visuals and domain models are easily searchable.