Mermaid Expert

What this skill does

• •Generates syntactically correct Mermaid code for diverse diagram types
• •Applies professional styling and theme configurations
• •Provides instructions for rendering and embedding diagrams
• •Includes helpful comments within generated syntax for maintainability
• •Offers alternative visualization structures based on data complexity

When to use it

• ✓Documenting complex API request and response sequences
• ✓Visualizing database schema relationships via ER diagrams
• ✓Creating logic flowcharts for decision-heavy backend functions
• ✓Mapping user journeys or application state transitions
• ✓Drafting project timelines using Gantt chart syntax

When not to use it

• ✕Tasks requiring custom vector graphics or proprietary formats like Visio
• ✕Projects that do not support Mermaid.js rendering in the target viewer

How to invoke it

Example prompts that trigger this skill:

• “Create a sequence diagram for the current authentication flow.”
• “Generate an ERD for the user, order, and product database tables.”
• “Explain the state transitions in this feature using a stateDiagram-v2.”
• “Draft a flow chart representing the data processing pipeline.”
• “Style this architecture diagram to match our professional documentation.”

Example workflow

1. Define the core entities or interaction steps to be visualized.
2. Request a specific Mermaid diagram type from the agent.
3. Review the generated code for logical accuracy and syntax completeness.
4. Apply suggested styling or color tweaks to improve clarity.
5. Copy the final Mermaid code into the project documentation.

Pitfalls & limitations

• !Some complex diagrams may become unreadable if not broken down into smaller components.
• !Rendering performance may degrade with excessively large graph definitions.
• !Always verify the generated diagram against your specific environment's rendering constraints.

FAQ

How it compares

While a generic prompt might yield broken or poorly formatted syntax, this skill enforces a structured approach to ensure the diagram is syntactically valid and stylistically consistent.

Source & trust

From the 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,…”

## 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.

## Limitations
- Use this skill only when the task clearly matches the scope described above.
- Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
- Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

Quoted from sickn33/antigravity-awesome-skills for reference — see the original for the authoritative, latest version.

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