Does this skill work with all Obsidian themes?

Yes, the diagrams are designed to adapt to Obsidian's native theme, and the skill provides explicit styling options for cross-theme consistency.

Can I use these diagrams for large-scale systems?

Yes, but for diagrams exceeding 50 nodes, the skill recommends and assists with splitting them into multiple diagrams to maintain rendering performance in Obsidian.

Which Mermaid diagrams are supported?

It supports a wide range including flowcharts, sequence diagrams, class diagrams, Gantt charts, ER diagrams, mindmaps, and specialized architecture-beta diagrams.

Is any JavaScript required for these diagrams?

No, this skill focuses on standard Mermaid syntax. Obsidian disables JavaScript callbacks in diagrams for security reasons.

Mermaid Diagramming for Obsidian

Name: Mermaid Diagramming for Obsidian
Author: BitYoungjae

byBitYoungjae

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Learning & Documentation

Generates and formats a wide range of Mermaid.js diagrams specifically optimized for Obsidian notes and documentation.

This skill empowers Claude to assist users in creating complex visual representations within Obsidian using Mermaid syntax. It provides domain-specific expertise across more than 15 diagram types—including flowcharts, sequence diagrams, and specialized architecture charts—while adhering to Obsidian-specific constraints like theme adaptation and rendering performance. Whether you are mapping out software architecture, project timelines, or database schemas, this skill ensures your Mermaid code is syntactically correct and perfectly formatted for seamless visualization within your Obsidian vault.

Key Features

01Obsidian-optimized syntax and theme-aware styling patterns

02Guidance on performance optimization for large-scale visualizations

03Implementation of custom classes and styling for consistent appearance

045 GitHub stars

05Pre-configured templates for complex Sankey, XY, and Block diagrams

06Support for 15+ diagram types including Architecture, Gantt, and Gitgraph

Use Cases

01Visualizing system architectures and API message flows in technical documentation

02Modeling database schemas and object-oriented class relationships for development

03Managing project timelines and feature prioritization matrices within personal notes

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add bityoungjae/marketplace mermaid-diagramming

For use in Claude.ai and ChatGPT

Download Skill