design-doc-mermaid

What problem does it solve?

Manual diagram creation is slow, inconsistent, and often out-of-sync with evolving code. Creating comprehensive design documents from scratch is time-consuming and prone to outdated information. This Skill automates the generation of accurate, high-contrast, and semantically rich Mermaid diagrams and complete design documents, ensuring consistency, accessibility, and saving significant time by keeping your documentation synchronized with your codebase.

Core Features & Use Cases

• Intelligent Diagram Generation: Create activity, deployment, architecture, and sequence diagrams on demand using a hierarchical, token-efficient system. Automatically applies high-contrast styling and Unicode semantic symbols for clarity and accessibility.
• Code-to-Diagram Conversion: Generate architecture and deployment diagrams directly from source code (e.g., Spring Boot, FastAPI, Node.js) and configuration files, ensuring your visual documentation reflects the current state of your codebase.
• Comprehensive Design Documents: Automatically generate full API, architecture, feature, database, or system design documents with embedded, consistent diagrams, drastically reducing manual writing effort.
• Use Case: Need an up-to-date deployment diagram for your Spring Boot microservice running on GCP? Simply provide your application.yml content, and the Skill will generate a detailed, accessible diagram, saving you hours of manual mapping and drawing.

Quick Start

Create an activity diagram for the user login flow with email verification steps.