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    jykim

    obsidian-mermaid

    jykim/obsidian-mermaid
    Design
    23
    3 installs

    About

    SKILL.md

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    About

    Create Obsidian-compatible Mermaid diagrams. Prefer square layouts (TB + subgraph LR), avoid markdown in labels...

    SKILL.md

    Obsidian Mermaid Diagrams

    Create Mermaid diagrams that render correctly in Obsidian and publish without issues.

    When to Use This Skill

    Activate when you need to:

    • Create flowcharts, sequence diagrams, ER diagrams
    • Convert ASCII art to Mermaid
    • Fix Mermaid rendering errors in Obsidian

    Core Principle: Simplicity First

    다이어그램은 한눈에 들어와야 한다

    복잡한 다이어그램은 읽기 어렵다. 항상 최소한의 노드와 연결로 핵심만 표현하라.

    Node Minimization

    Before (9개 노드):

    flowchart LR
        A[수집] --> B[정리] --> C[보관]
        D[목표] --> E[학습] --> F[실행] --> G[측정] --> H[달성]
    

    After (2개 노드 - 순차 흐름을 노드 내 텍스트로):

    flowchart LR
        A[수집 → 정리 → 보관]
        B[목표 → 학습 → 실행 → 달성]
    

    Connection Minimization

    • 핵심 흐름만 표현, 세부사항은 본문에서 설명
    • 노드 5개 이하, 연결선 교차 금지
    • 복잡한 관계는 여러 개의 단순한 다이어그램으로 분리

    Table vs Mermaid 선택

    형식 용도 예시
    테이블 속성-값 매핑, 비교, 옵션 에너지 레벨별 작업
    Mermaid 흐름, 프로세스, 피드백 루프 입력→처리→출력
    인라인 단순 순차 흐름 A → B → C

    원칙: 같은 정보를 더 컴팩트하게 표현하는 형식 선택


    Critical Rules

    1. NO Markdown in Labels

    Common Errors:

    Node["1. First"]     → "Unsupported markdown: list"
    Node["Text<br/>More"] → "Unsupported markdown: heading"
    Node["## Header"]    → "Unsupported markdown: heading"
    

    Correct:

    Node[First]
    Node[Text]
    

    Rule: Keep labels plain text. Move complex descriptions outside the diagram.

    2. Prefer Square Layout (정사각형 레이아웃)

    Problem: flowchart LR은 너무 넓고, flowchart TB는 너무 길어진다.

    Solution: TB + 내부 LR 조합으로 정사각형에 가까운 레이아웃 만들기

    flowchart TB
        subgraph Layer1["레이어 1"]
            direction LR
            A[항목A] ~~~ B[항목B] ~~~ C[항목C]
        end
    
        subgraph Layer2["레이어 2"]
            direction LR
            D[항목D] ~~~ E[항목E]
        end
    
        Layer1 --> Layer2
    

    패턴:

    • flowchart TB: 전체 흐름은 위→아래
    • direction LR: 각 subgraph 내부는 가로 배치
    • ~~~: 보이지 않는 연결 (화살표 없이 정렬용)

    Rule: 세로로 너무 길어지면 subgraph + direction LR 사용.

    3. Keep Labels Short

    ❌ Too long:
    Node["This is a very long description that will break layout"]
    
    ✅ Short and clear:
    Node[Short Label]
    

    Rule: Labels should be under 15 characters. Add details in text below the diagram.

    4. Avoid Special Characters in Subgraph Names

    ❌ May cause issues:
    subgraph "1. Phase One"
    subgraph "Phase: Setup"
    
    ✅ Safe:
    subgraph Phase_One["Phase One"]
    subgraph Setup["Setup Phase"]
    

    Good Examples

    Simple Flowchart

    flowchart TB
        A[Start] --> B{Decision}
        B -->|Yes| C[Action]
        B -->|No| D[End]
    

    Process Flow with Details Outside

    flowchart TB
        Input[Input] --> Process[Process]
        Process --> Output[Output]
    

    Process Details:

    • Input: User data from form
    • Process: Validation and transformation
    • Output: Saved to database

    Subgraph Example

    flowchart TB
        subgraph Frontend["Frontend"]
            UI[UI] --> API[API Call]
        end
        subgraph Backend["Backend"]
            Server[Server] --> DB[Database]
        end
        API --> Server
    

    Bad Examples (Don't Do This)

    Markdown in Labels

    flowchart LR
        A["1. Start<br/>with details"] --> B{"2. Decision"}
    

    This will show "Unsupported markdown" errors.

    Too Wide

    flowchart LR
        A[Very Long Process Name Here] --> B[Another Long Name] --> C[Yet Another] --> D[And More]
    

    This gets cut off on mobile and narrow screens.

    Converting ASCII to Mermaid

    ASCII Art:

    ┌───────┐     ┌───────┐
    │ Start │────→│  End  │
    └───────┘     └───────┘
    

    Mermaid:

    flowchart TB
        Start[Start] --> End[End]
    

    Quality Checklist

    Before completing diagram creation:

    • No <br/> tags in node labels
    • No numbered list format (1., 2.) in labels
    • 정사각형 레이아웃: TB + subgraph 내 LR 조합 사용
    • All labels are short (under 15 characters)
    • Complex details moved to text outside diagram
    • No special characters in subgraph names
    • Tested rendering in Obsidian preview
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    Repository
    jykim/claude-obsidian-skills
    Files