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mermaid-diagrams

Create Mermaid diagrams with ASCII sidecars for cross-tool compatibility.

40|11|Updated Feb 25, 2026
Search Tags:#templates#markdown#mermaid#rendering#flowchart#sequence#diagrams
One-click install
npx skills add https://github.com/Desko77/claude-code-skills-1c --skill mermaid-diagrams-desko77
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: mermaid-diagrams
Source: https://github.com/Desko77/claude-code-skills-1c/tree/main/skills/mermaid-diagrams
Command: npx skills add https://github.com/Desko77/claude-code-skills-1c --skill mermaid-diagrams-desko77

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Create a portable, human-readable Mermaid diagram syntax that renders reliably across common tools (VS Code, Markdown previews, Git platforms) to prevent misinterpretation and rendering gaps.

Core Features & Use Cases

  • Conservative, renderer-compatible Mermaid templates that render on older renderers and remain clear to humans.
  • Guidance on which diagram type to use in different situations (flowcharts, sequences, ERs, and class diagrams, etc.).
  • Compatibility tips and safe fallbacks when advanced Mermaid types are unavailable.
  • ASCII/Unicode sidecar strategy to deliver human-readable raw diagrams alongside machine-parseable blocks.
  • Examples/templates for Flowchart, Sequence, Class, ER, State, Journey, Gantt, Pie, Quadrant, and more.

Quick Start

Create a Mermaid diagram block and place the ASCII-sidecar immediately after it.

Frequently Asked Questions about mermaid-diagrams

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

FAQPage Schema
How do I create Mermaid diagrams that render consistently across different Markdown preview tools?▼

To create Mermaid diagrams that render consistently, use conservative syntax templates that avoid advanced features unsupported by older renderers. This ensures diagrams display reliably across VS Code, Markdown previews, and Git platforms without rendering gaps.

What is the best way to structure Mermaid flowcharts and sequence diagrams for machine parsing?▼

The best way to structure Mermaid flowcharts and sequence diagrams for machine parsing is to pair each block with an ASCII sidecar. This strategy delivers human-readable raw diagrams alongside machine-parseable blocks for maximum portability.

Can I use advanced Mermaid diagram types like ER and class diagrams on older rendering platforms?▼

You can use Mermaid ER and class diagrams on older platforms by applying compatibility tips and safe fallbacks. The templates enforce Mermaid syntax compatibility to prevent rendering failures where advanced types are unavailable.

How do I choose which Mermaid diagram type to use for different documentation scenarios?▼

To choose which Mermaid diagram type to use, follow guidance covering flowcharts, sequences, ERs, class diagrams, state, journey, gantt, pie, and quadrant charts. This ensures the visual format matches the technical information being conveyed.

Why does my Mermaid flowchart fail to render in VS Code or Git platform Markdown previews?▼

Your Mermaid flowchart may fail to render in VS Code or Git platform previews due to incompatible syntax or unsupported features. Using conservative, renderer-compatible templates prevents these misinterpretations and rendering gaps across common tools.

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