Mermaid syntax tutorial

Mermaid Cynefin Diagram Tutorial

Cynefin diagrams classify situations by decision context, such as clear, complicated, complex, chaotic, and confused. They help teams choose an appropriate response.

Decision workshopsIncident response planningOrganizational strategy
Syntax

cynefin

Examples

1 starter pattern

Review

5 production checks

Open Mermaid Editor

Diagram preview

Rendered Mermaid example

Cynefin Diagram
Mermaid Cynefin Diagram example

What You Will Learn

How to recognize when Cynefin Diagram is the right Mermaid diagram, write the opening declaration, and shape a readable first version.

Best Fit

Decision workshops, Incident response planning, Organizational strategy.

Start Here

Copy the starter example, replace labels with your domain language, then simplify anything that does not help the reader.

Syntax Basics

Start with the diagram declaration, then add the smallest set of labels, relationships, and annotations needed to communicate the idea.

  • Define the decision or problem being classified.
  • Place items into domains based on uncertainty and causality.
  • Use concise labels.
  • Explain why each item belongs in its domain.

Official Documentation Coverage

The Mermaid documentation for Cynefin Diagram covers the following syntax areas. This tutorial condenses those topics into practical guidance for day-to-day documentation.

Keywords

Keywords is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Items

Items is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Transitions

Transitions controls how elements connect. Treat these connections as the main information layer, and label them when direction, ownership, or meaning is not obvious.

Basic examples

Basic examples is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Empty framework

Empty framework is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Configuration

Use Configuration after the diagram communicates the right structure. Styling should improve scanning and emphasis without hiding the underlying Mermaid syntax.

Theming

Theming is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Notes

Notes is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

How This Tutorial Uses The Official Docs

Mermaid syntax evolves, so the official page remains the primary reference. This tutorial turns that reference material into an authoring workflow, review checklist, and production guidance.

Start with the official grammar

The official Mermaid Cynefin Diagram page is the source of truth for syntax changes. Use this tutorial to choose the right authoring pattern, then confirm exact keywords and edge cases in the official reference.

Prioritize the core sections

For the first pass, focus on Keywords, Items, Transitions, Basic examples. These sections usually explain the minimum structure required for a valid Cynefin Diagram.

Add advanced syntax only when it earns its space

Treat Empty framework, Configuration, Theming, Notes as optional layers. They are valuable when the diagram needs precision, but they should not make the first version harder to read.

Syntax Reference Map

Use this map as a practical reading order for the official syntax page. It separates the first concepts to learn from the advanced details that are better added after the diagram already communicates the right idea.

Phase
How to use it
Start
Keywords

Keywords is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Does this keywords detail make the cynefin diagram easier to understand or maintain?

Start
Items

Items is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Does this items detail make the cynefin diagram easier to understand or maintain?

Refine
Transitions

Transitions controls how elements connect. Treat these connections as the main information layer, and label them when direction, ownership, or meaning is not obvious.

Does this transitions detail make the cynefin diagram easier to understand or maintain?

Refine
Basic examples

Basic examples is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Does this basic examples detail make the cynefin diagram easier to understand or maintain?

Refine
Empty framework

Empty framework is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Does this empty framework detail make the cynefin diagram easier to understand or maintain?

Polish
Configuration

Use Configuration after the diagram communicates the right structure. Styling should improve scanning and emphasis without hiding the underlying Mermaid syntax.

Does this configuration detail make the cynefin diagram easier to understand or maintain?

Polish
Theming

Theming is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Does this theming detail make the cynefin diagram easier to understand or maintain?

Polish
Notes

Notes is part of the official Mermaid Cynefin Diagram syntax surface. Add it when the starter example needs more precision for production documentation.

Does this notes detail make the cynefin diagram easier to understand or maintain?

How To Study The Official Syntax

The official Mermaid page is broad because it documents the full parser surface. For a working tutorial, read it in passes instead of trying to memorize every option at once.

Step 1

Skim the official Cynefin Diagram documentation once to understand the full syntax surface before copying examples into production docs.

Step 2

Focus first on Keywords, Items, Transitions, Basic examples, Empty framework because these topics usually explain the core authoring model.

Step 3

After the first diagram renders, revisit the official styling, configuration, and advanced sections only when the diagram needs that extra precision.

Authoring Workflow

This workflow turns the official syntax reference into a repeatable writing process for docs, specs, and product pages.

Step 1

Frame the reader question

Before writing syntax, decide what question the Cynefin Diagram should answer. Good diagrams usually answer one question clearly instead of answering several partially.

Step 2

Draft the smallest valid diagram

Start with the declaration for cynefin, add only the required elements, and render it before introducing advanced styling or configuration.

Step 3

Add semantic labels

Replace placeholder names with business or system language that readers already know. Labels should reduce explanation work.

Step 4

Review for maintenance

Remove details that are likely to drift quickly. If a value, date, or dependency changes often, explain who owns the update.

Quick Syntax Cheat Sheet

Use this compact reference when you already know the goal and need to write a valid Mermaid Cynefin Diagram quickly.

Declaration
cynefin

Start the code block with cynefin so Mermaid selects the Cynefin Diagram renderer.

Core content
Define the decision or problem being classified.

Add the smallest number of statements that express the main idea before adding visual polish.

Connections
Connect the meaningful elements

Use connections only where they explain ownership, sequence, flow, dependency, or hierarchy.

Advanced topic
Keywords

Use official syntax topics as optional layers, not as requirements for every diagram.

Practice Prompts

Use these prompts after reading the official syntax sections. They force the diagram to stay practical instead of becoming a syntax inventory.

Exercise 1

Create a Cynefin Diagram for decision workshops using no more than eight visible elements.

Exercise 2

Rewrite the starter example with labels from your own product or engineering domain, then remove any line that does not change the reader's understanding.

Exercise 3

Add one official syntax feature from Keywords, Items, Transitions and explain why that feature makes the diagram clearer.

Exercise 4

Compare the result with quadrant-chart and flowchart and write one sentence explaining why Cynefin Diagram is still the better fit.

Examples

Copy the example into the Mermaid editor, then adjust labels and relationships for your own documentation.

Support Problem Classification

A practical Cynefin-style classification.

quadrantChart
  title Support problem domains
  x-axis Clear cause --> Unclear cause
  y-axis Stable --> Unstable
  quadrant-1 Chaotic
  quadrant-2 Complex
  quadrant-3 Clear
  quadrant-4 Complicated
  Password reset: [0.15, 0.2]
  Scaling incident: [0.85, 0.82]

Example Walkthrough

Read Mermaid examples from top to bottom. The first meaningful line usually selects the diagram parser; the following lines add labels, relationships, values, states, or layout hints.

quadrantChart

This line declares the Mermaid diagram type, which tells Mermaid which parser and renderer to use.

title Support problem domains

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

x-axis Clear cause --> Unclear cause

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

y-axis Stable --> Unstable

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

quadrant-1 Chaotic

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

quadrant-2 Complex

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

quadrant-3 Clear

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

quadrant-4 Complicated

This line configures structure, labels, sections, participants, axes, or reusable diagram elements.

When To Use Cynefin Diagram

Decision workshops
Incident response planning
Organizational strategy
Problem classification

Diagram Choice Guide

A strong Mermaid tutorial should also explain when not to use the diagram type. Use this guide before adding a Cynefin Diagram to a public page or technical design document.

Use this diagram when

Cynefin Diagram works best for decision workshops, incident response planning, organizational strategy. It should make the reader's next decision easier, not merely decorate the page.

Choose a different diagram when

Your main question is better answered by another structure, such as quadrant-chart, flowchart, ishikawa. For example, use a sequence diagram for message order and a flowchart for branching process logic.

Keep it maintainable by

Keeping the first version small, naming every important element with business language, and linking back to the official Mermaid syntax page when advanced syntax is required.

Production Checklist

Before publishing a Mermaid Cynefin Diagram, run through this checklist so the diagram remains useful after the immediate conversation is over.

Confirm that Cynefin Diagram is the right diagram type for the problem.
Start from the smallest example that communicates the idea clearly.
Use consistent names for nodes, actors, states, or data labels.
Check the diagram in the Mermaid editor before publishing.
Add surrounding text that explains assumptions, scale, or business context.

Production Review Questions

Before shipping the diagram in public docs, compare it against the official syntax page and then ask whether each line helps the reader make a better decision.

Does the first line clearly select the Mermaid Cynefin Diagram renderer with cynefin?
Are names and labels from the Items area short, stable, and meaningful to the target reader?
Do the transitions details show real meaning instead of visual decoration?
Could a teammate update this diagram next month without rereading the whole surrounding document?

Troubleshooting

Most Mermaid issues come from an incorrect declaration, a syntax feature used before the base diagram works, or a diagram that is trying to communicate too many ideas at once.

The diagram does not render

Check that the first line is the correct declaration for Cynefin Diagram: cynefin. Then remove advanced lines until the smallest version renders.

The diagram renders but is hard to read

Shorten labels, reduce the number of visible items, and split separate ideas into separate diagrams.

The meaning is ambiguous

Add edge labels, relationship names, axis labels, or surrounding explanatory text so readers know what the diagram is proving.

The diagram becomes stale

Prefer stable concepts over volatile implementation details, and add ownership notes when the diagram documents a changing system.

Publishing Notes

For SEO and long-term documentation quality, keep the Mermaid code close to the explanation. Search engines can understand the surrounding text, while engineers can copy the exact syntax into their own editor.

If the diagram is used in a product page, add a short caption that states what decision the diagram supports. If it is used in internal docs, add ownership and update expectations so the diagram does not become stale after the system changes.

Best Practices

  • -Explain domain definitions near the diagram.
  • -Use it to guide action, not to label teams.
  • -Revisit classifications as information changes.
  • -Keep examples concrete.

Common Mistakes

  • -Treating the domains as maturity levels.
  • -Classifying vague problems.
  • -Forgetting that context can shift.

Choosing Related Diagram Types

If Cynefin Diagram does not quite match your communication goal, compare it with these nearby Mermaid diagram types.

Quadrant Chart

Quadrant charts place items across two dimensions. They are useful for prioritization, positioning, and trade-off discussions.

Flowchart

Flowcharts turn decisions, processes, and branches into readable Mermaid diagrams. They are the best starting point when you need to document a workflow, product funnel, or engineering process.

Ishikawa Diagram

Ishikawa diagrams, also called fishbone diagrams, organize possible causes of a problem. They are useful for root-cause analysis.

FAQ

Is Mermaid Cynefin Diagram rendered on the server?

This tutorial page is server-rendered for SEO. The Mermaid syntax is shown as plain text so search engines and readers can inspect it without waiting for client-side rendering.

Can I edit this Cynefin Diagram example?

Yes. Open the Mermaid editor, paste the example, and modify the labels, relationships, or values for your own use case.