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mermaid-diagrams

Generate flowcharts, sequence diagrams, and ER diagrams in Mermaid syntax.

Updated Dec 15, 2025
Search Tags:#architecture#documentation#mermaid#flowchart#visualization#diagrams
One-click install
npx skills add https://github.com/unfazed-dev/nexus_store --skill mermaid-diagrams-unfazed-dev
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/unfazed-dev/nexus_store/tree/main/.claude/skills/mermaid-diagrams
Command: npx skills add https://github.com/unfazed-dev/nexus_store --skill mermaid-diagrams-unfazed-dev

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires @mermaid-js/mermaid-cli, and includes scripts (resource) and references (resource) and assets (resource) components.

What problem does it solve?

This Skill automates the creation of complex visual diagrams directly from simple text descriptions, eliminating the need for manual drawing tools and ensuring consistency.

Core Features & Use Cases

  • Diagram Generation: Create flowcharts, sequence diagrams, state diagrams, ER diagrams, Gantt charts, C4 architecture diagrams, and more using Mermaid syntax.
  • Template-Driven: Utilizes pre-defined templates for common diagram types (API flows, database schemas, state lifecycles) to ensure consistency and speed up creation.
  • Validation & Rendering: Includes scripts to validate Mermaid syntax and render diagrams to SVG or PNG formats.
  • Use Case: Documenting a new feature's user flow in a FLOWS.md file using a sequence diagram, or visualizing a database schema with an ER diagram.

Quick Start

Use the mermaid-diagrams skill to generate a flowchart based on the provided text description.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I generate flowcharts and sequence diagrams from text descriptions?▼

You can generate flowcharts and sequence diagrams from text descriptions by writing simple Mermaid syntax. The skill parses your text input to automatically create visual diagrams, eliminating manual drawing.

Can I render Mermaid syntax to SVG or PNG formats for documentation?▼

Yes, you can render Mermaid syntax to SVG or PNG formats. The skill includes validation and rendering scripts that process your text into standard image files suitable for documentation.

Does this skill support C4 architecture diagrams and ER diagrams for database schemas?▼

Yes, the skill supports generating C4 architecture diagrams and ER diagrams for database schemas. It uses template-driven generation to ensure consistency when visualizing software architecture and database structures.

Do I need to install mermaid-cli to visualize Gantt charts and state diagrams?▼

Yes, you need the @mermaid-js/mermaid-cli dependency installed to visualize Gantt charts and state diagrams. The rendering scripts rely on this command-line tool to process Mermaid syntax into output files.

What is the best way to document user flows without manual drawing tools?▼

The best way to document user flows without manual drawing tools is using template-driven Mermaid generation. You describe the process in text, and the skill validates the syntax to produce consistent sequence diagrams for files like FLOWS.md.

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