mermaid-expert

Name: mermaid-expert
Availability: InStock
Author: krystianycsilva

Generate and validate Mermaid.js diagrams from text for Markdown files.

Updated Feb 20, 2026

Search Tags:#markdown #mermaid #flowchart #diagram #sequence-diagram #er-diagram

Ready to run

npx skills add https://github.com/KrystianYCSilva/math-theory-lib --skill mermaid-expert-krystianycsilva

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: mermaid-expert
Source: https://github.com/KrystianYCSilva/math-theory-lib/tree/main/.codex/skills/mermaid-expert
Command: npx skills add https://github.com/KrystianYCSilva/math-theory-lib --skill mermaid-expert-krystianycsilva

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

Mermaid.js diagrams enable lightweight, text-based visuals; this skill provides a concise, practical guide to using Mermaid syntax for Flowcharts, Sequence Diagrams, Class Diagrams, State Diagrams, ER diagrams, and Gantt charts with correct syntax and best practices.

Core Features & Use Cases

Flowchart, Sequence, Class, State, ER, and Gantt diagram syntax coverage with practical examples.
Best-practices and troubleshooting guidance to ensure correct rendering in Markdown environments.
Use Case: Quickly prototype and document system architecture in READMEs and docs using Mermaid.

Quick Start

Create a basic Flowchart using Flowchart TD to map a user login flow.

Frequently Asked Questions about mermaid-expert

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

FAQPage Schema

How do I generate Mermaid.js flowcharts from text in Markdown files?▼

Mermaid.js flowcharts are generated from text by using Flowchart TD syntax to define nodes and edges, producing text-based visuals that render directly within Markdown files. This Skill provides syntax examples and enforces best practices for correct rendering.

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

Mermaid syntax supports creating Flowcharts, Sequence Diagrams, Class Diagrams, State Diagrams, ER diagrams, and Gantt charts. It enforces syntax correctness and provides guidance on common pitfalls to ensure quick, readable diagrams across documentation.

Why does my Mermaid diagram fail to render in my README documentation?▼

Mermaid diagram rendering fails in README documentation due to syntax errors or unsupported configurations. This Skill provides troubleshooting guidance and best practices to enforce syntax correctness, ensuring quick, readable diagram visuals render properly in Markdown environments.

Can I use Mermaid.js to prototype system architecture in Markdown?▼

Mermaid.js can prototype system architecture in Markdown by generating text-based diagrams like ER diagrams and Sequence Diagrams. This Skill provides practical examples and concise guidance for documenting architecture and design prototyping with correct syntax.

What's the best way to fix common syntax errors in Mermaid sequence diagrams?▼

The best way to fix syntax errors in Mermaid sequence diagrams is to follow best-practice guidance and troubleshooting steps. This Skill enforces syntax correctness and highlights common pitfalls to ensure your sequence diagrams render correctly in Markdown files.

Do I need any external dependencies to create ER diagrams with Mermaid?▼

No external dependencies are required to create ER diagrams with Mermaid, as it uses lightweight, text-based syntax directly in Markdown files. This Skill guides you through ER diagram syntax coverage and practical examples without needing additional libraries.