MermaidJS
Mermaid is a text-based diagramming and charting tool that generates visualizations from declarative markup.
AI-Powered Developer: Build software with ChatGPT and Copilot
Mermaid is a diagramming and charting tool that generates visual diagrams from text-based definitions.
- How it is used
- Documents application architecture and project design through text-defined diagrams.
- How deep it goes
- Progresses from class relationships to C4 context, container, component, and code views.
- Examples
- Demonstrates an ITAM system with Hardware, Asset, FundingDetails, depreciation strategies, and C4 diagrams.
- What you can do after
- Apply it via Mermaid to create and iteratively refine architecture and class diagrams from textual requirements.
Read how AI-Powered Developer: Build software with ChatGPT and Copilot explains MermaidJS →
Coding with AI
Mermaid is a text-based diagramming tool that generates diagrams from a declarative syntax.
- How it is used
- Uses declarative diagrams to map application flows before implementation and reveal usability problems.
- How deep it goes
- Defines Mermaid briefly and demonstrates generated flowchart syntax, but does not explain rendering tools or language internals.
- Examples
- Demonstrates a ham-radio practice test with entry, questions, submission, early exit, results, and home navigation.
- What you can do after
- Apply it via Mermaid and ChatGPT to turn a rough process description into a reviewable application flowchart.
Related concepts
- ChatGPTused by · ChatGPT is OpenAI’s conversational AI service, which lets users interact with generative AI models and related tools through natural-language prompts.
- UML sequence diagramused by · A UML sequence diagram is a visual model showing interactions among participants in their temporal order.
- markup languagekind of · A markup language is a formal language that annotates content to specify its structure, presentation, meaning, or processing.
- model architectureused by · The structural organization of a computational system’s components, relationships, and operations that determines how it processes information or behaves.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.

