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mermaid-diagrams

Create and refine Mermaid diagrams with live SVG reload.

199|21|Updated Sep 29, 2025
Search Tags:#mermaid#visualization#sequence#diagrams#flowcharts#live reload
One-click install
npx skills add https://github.com/veelenga/claude-mermaid --skill mermaid-diagrams-veelenga
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/veelenga/claude-mermaid/tree/main/skills/mermaid-diagrams
Command: npx skills add https://github.com/veelenga/claude-mermaid --skill mermaid-diagrams-veelenga

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps users quickly author, iterate, and refine Mermaid diagrams without switching tools, saving time and reducing context switching. It enables live preview and convenient saves.

Core Features & Use Cases

  • Live Preview: See real-time diagram updates in the browser as you edit Mermaid code.
  • Multiple Visual Formats: Export diagrams to SVG, PNG, or PDF for documentation and sharing.
  • Iterative Refinement Workflow: Use the same preview session to progressively enhance layout and styling.
  • Directed Guidance: The built-in skill provides best practices for Mermaid syntax and diagram types (flowcharts, sequences, class diagrams, ER diagrams, Gantt, etc.).

Quick Start

Start with a simple Mermaid diagram and open the live preview to see changes instantly. Refine layout, add styling, and save to your preferred format.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I create and preview Mermaid diagrams in real time?▼

Mermaid diagrams render live in the browser as you edit the code, letting you see flowcharts, sequence diagrams, class diagrams, and other structures update instantly without switching tools or reloading manually.

What diagram types can I create with Mermaid?▼

Mermaid supports flowcharts, sequence diagrams, class diagrams, ER diagrams, state diagrams, and Gantt charts, each suited for visualizing different workflows, interactions, data models, and timelines.

Can I export Mermaid diagrams to different formats?▼

Yes, Mermaid diagrams export to SVG, PNG, and PDF formats, enabling flexible sharing, documentation integration, and use across presentations and reports.

How do I refine a diagram iteratively without losing my session?▼

Reuse the same preview ID during editing to maintain a persistent live-reload session; changes update in the browser continuously, letting you enhance layout and styling progressively before saving.

Do I need to know Mermaid syntax to use this?▼

Yes, you write Mermaid syntax to define diagrams. The Skill provides built-in guidance on syntax and best practices for each diagram type to help you author correctly.

What customization options are available for diagram appearance?▼

Control theme, background, width, height, and scale parameters to tailor diagram styling and dimensions for your documentation or presentation needs.

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