diagrams-builder

Guide diagram type selection and syntax for Mermaid, PlantUML, and Draw.io.

Updated Dec 22, 2025
One-click install
npx skills add https://github.com/royhenengel/Claude-Customizations --skill diagrams-builder
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: diagrams-builder
Source: https://github.com/royhenengel/Claude-Customizations/tree/main/skills/Documentation/diagrams-builder
Command: npx skills add https://github.com/royhenengel/Claude-Customizations --skill diagrams-builder

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides a comprehensive guide to creating effective diagrams, ensuring you choose the right type, use the correct syntax, and apply best practices for clarity and impact.

Core Features & Use Cases

  • Diagram Strategy: Guides selection of the best diagram type (flowchart, sequence, C4, ERD, etc.) based on the information to be conveyed.
  • Syntax & Styling: Details correct syntax and styling for Mermaid, PlantUML, and Draw.io, preventing common errors.
  • Use Case: When documenting a complex system architecture, use this Skill to decide between a C4 diagram and a sequence diagram, and then generate the correct Mermaid code.

Quick Start

Generate a Mermaid flowchart illustrating the user authentication process.

Frequently Asked Questions about diagrams-builder

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

FAQPage Schema
How do I generate a Mermaid flowchart for a user authentication process?

To generate a Mermaid flowchart for user authentication, you define the process steps and decision branches using Mermaid syntax, applying best practices for clarity to produce effective visual documentation. This Skill guides correct syntax and styling to prevent common errors during creation.

When should I use a C4 diagram versus a sequence diagram for system architecture?

Use a C4 diagram for system architecture when you need to model structural context and containers, whereas a sequence diagram is better for illustrating dynamic process interactions over time. This Skill provides selection criteria to help you choose the right diagram type based on the information conveyed.

What is the best way to structure PlantUML syntax for clear visual documentation?

The best way to structure PlantUML syntax for clear visual documentation is by following detailed syntax rules and styling best practices, ensuring correct element definitions to prevent common errors. This Skill provides expert guidance on PlantUML syntax and styling for effective diagrams.

Does this diagram strategy guidance cover Draw.io and ER diagrams?

Yes, this diagram strategy guidance covers Draw.io and ER diagrams, providing detailed syntax rules, styling best practices, and selection criteria for multiple formats including Mermaid, PlantUML, and Draw.io. It facilitates creating clear, effective visual documentation for software and business processes.

Why do my generated Mermaid diagrams have syntax errors and styling inconsistencies?

Generated Mermaid diagrams have syntax errors and styling inconsistencies due to incorrect syntax usage and lack of styling best practices. This Skill details correct syntax and styling for Mermaid, PlantUML, and Draw.io, preventing common errors and ensuring clear, effective visual documentation.