mermaid-diagram-creator

Generate and validate Mermaid diagrams for multiple chart types using mmdc.

1|Updated Mar 11, 2025
One-click install
npx skills add https://github.com/danielstewart77/hive_mind --skill mermaid-diagram-creator
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: mermaid-diagram-creator
Source: https://github.com/danielstewart77/hive_mind/tree/main/specs/skills/mermaid-diagram-creator
Command: npx skills add https://github.com/danielstewart77/hive_mind --skill mermaid-diagram-creator

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill helps users create and validate Mermaid diagrams, ensuring they are syntactically correct and render properly, especially when they are not displaying as expected.

Core Features & Use Cases

  • Diagram Creation: Generates various types of Mermaid diagrams (sequence, flowchart, gantt, etc.) based on user-defined content.
  • Syntax Validation: Uses the mmdc command-line tool to check and validate the syntax of the created diagrams.
  • Troubleshooting: Provides fixes for common Mermaid syntax errors and rendering issues.
  • Use Case: You need to create a flowchart to visualize a new user onboarding process, but the diagram isn't rendering correctly in your documentation tool. This Skill can help you fix the syntax and generate a valid Mermaid block.

Quick Start

Use the mermaid-diagram-creator skill to create a flowchart diagram with the following steps: A -> B -> C.

Frequently Asked Questions about mermaid-diagram-creator

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

FAQPage Schema
How do I fix a Mermaid diagram that is not rendering correctly in my documentation?

To fix a Mermaid diagram that is not rendering, you need to validate its syntax. This Skill parses your diagram content, writes it to a temporary file, and uses the mmdc command-line tool to check for syntax errors, providing a corrected Mermaid code block.

How do I generate a sequence diagram using Mermaid syntax?

To generate a sequence diagram using Mermaid syntax, provide your user-defined requirements and process steps. This Skill creates the diagram content adhering to specific syntax rules and validates it to ensure it renders properly.

What types of charts can I create with the Mermaid diagram generator?

With the Mermaid diagram generator, you can create various chart types including sequence, flowchart, gantt, class, state, ER, journey, and pie diagrams based on your specific content requirements.

Why does my Mermaid flowchart fail to display after I update the steps?

Your Mermaid flowchart fails to display because updated steps often introduce syntax errors. This Skill uses the mmdc validation tool to check the created diagram, identify syntax issues, and output a corrected, valid Mermaid code block.

Can I use this tool to validate existing Mermaid code blocks?

Yes, you can validate existing Mermaid code blocks. The Skill accepts your diagram content, parses it against specific syntax rules, and runs validation using the mmdc tool to output a corrected version if errors are found.

What is the best way to troubleshoot common Mermaid syntax errors?

The best way to troubleshoot common Mermaid syntax errors is to validate the code using the mmdc command-line tool. This Skill automates that process, checking your diagram and providing fixes for rendering issues.