mermaid

Enforce Mermaid v8.8.0 diagram syntax rules to prevent rendering errors.

2|1|Updated Mar 22, 2026
One-click install
npx skills add https://github.com/solitasroh/rkit --skill mermaid-solitasroh
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid
Source: https://github.com/solitasroh/rkit/tree/main/skills/mermaid
Command: npx skills add https://github.com/solitasroh/rkit --skill mermaid-solitasroh

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Mermaid diagrams are prone to rendering errors when strict syntax rules are violated, leading to broken visuals in documentation and dashboards. This Skill provides a comprehensive set of rules to prevent common mistakes and ensure diagrams render reliably across environments.

Core Features & Use Cases

  • Enforces mandatory subgraph IDs and proper labeling to prevent rendering errors.
  • Guides safe diagram composition by restricting problematic constructs like flowchart and unsupported subgraph directions.
  • Enables consistent, readable diagrams for documentation and knowledge sharing across teams.

Use Case: When documenting complex architectures, apply these Mermaid rules to ensure diagrams render reliably in tools that support Mermaid.

Quick Start

Follow these rules to craft a valid Mermaid diagram that renders correctly.

Frequently Asked Questions about mermaid

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

FAQPage Schema
How do I fix broken Mermaid diagrams in my documentation?

Broken Mermaid diagrams in documentation are usually caused by strict syntax violations, such as using flowchart instead of graph, missing subgraph IDs, or improper label escaping. Enforcing comprehensive diagram-creation rules prevents these common rendering errors.

What is the correct syntax for Mermaid subgraphs to prevent rendering errors?

Correct Mermaid subgraph syntax requires defining mandatory subgraph IDs and applying proper label escaping. Adhering to these constraints ensures that architecture diagrams and technical graphs render reliably across different environments.

Should I use graph or flowchart when creating Mermaid diagrams?

You should use graph instead of flowchart when creating Mermaid diagrams. Using graph and restricting unsupported subgraph directions guides safe diagram composition and prevents rendering failures in visualization tools.

Why does my Mermaid architecture diagram fail to render?

Mermaid architecture diagrams fail to render when strict syntax rules are violated, such as using problematic constructs like flowchart or unsupported subgraph directions. Defining proper node IDs and mandatory subgraph IDs prevents these breaks.

Can I use Mermaid for complex technical handbooks and knowledge sharing?

Yes, you can use Mermaid for complex technical handbooks and knowledge sharing. Applying strict diagram-creation rules enables consistent, readable visualization of architectures that renders reliably across team environments.