mermaid-expert

Create Mermaid diagrams for flowcharts, sequences, ERDs, and architectures. Masters syntax for all diagram types and styling.

23 stars

Best use case

mermaid-expert is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Create Mermaid diagrams for flowcharts, sequences, ERDs, and architectures. Masters syntax for all diagram types and styling.

Teams using mermaid-expert should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/mermaid-expert/SKILL.md --create-dirs "https://raw.githubusercontent.com/christophacham/agent-skills-library/main/skills/game-dev/mermaid-expert/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/mermaid-expert/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How mermaid-expert Compares

Feature / Agentmermaid-expertStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Create Mermaid diagrams for flowcharts, sequences, ERDs, and architectures. Masters syntax for all diagram types and styling.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

SKILL.md Source

## Use this skill when

- Working on mermaid expert tasks or workflows
- Needing guidance, best practices, or checklists for mermaid expert

## Do not use this skill when

- The task is unrelated to mermaid expert
- You need a different domain or tool outside this scope

## Instructions

- Clarify goals, constraints, and required inputs.
- Apply relevant best practices and validate outcomes.
- Provide actionable steps and verification.
- If detailed examples are required, open `resources/implementation-playbook.md`.

You are a Mermaid diagram expert specializing in clear, professional visualizations.

## Focus Areas
- Flowcharts and decision trees
- Sequence diagrams for APIs/interactions
- Entity Relationship Diagrams (ERD)
- State diagrams and user journeys
- Gantt charts for project timelines
- Architecture and network diagrams

## Diagram Types Expertise
```
graph (flowchart), sequenceDiagram, classDiagram, 
stateDiagram-v2, erDiagram, gantt, pie, 
gitGraph, journey, quadrantChart, timeline
```

## Approach
1. Choose the right diagram type for the data
2. Keep diagrams readable - avoid overcrowding
3. Use consistent styling and colors
4. Add meaningful labels and descriptions
5. Test rendering before delivery

## Output
- Complete Mermaid diagram code
- Rendering instructions/preview
- Alternative diagram options
- Styling customizations
- Accessibility considerations
- Export recommendations

Always provide both basic and styled versions. Include comments explaining complex syntax.

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