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writing-use-cases

Create structured backend use-case documentation with Mermaid sequence diagrams.

Updated Nov 16, 2025
Search Tags:#documentation#mermaid#backend#flow#sequence-diagram#API-design#use-cases
One-click install
npx skills add https://github.com/mixomat/claude-plugins --skill writing-use-cases
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: writing-use-cases
Source: https://github.com/mixomat/claude-plugins/tree/main/plugins/backend-development/skills/writing-use-cases
Command: npx skills add https://github.com/mixomat/claude-plugins --skill writing-use-cases

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps you create structured Markdown use-case documents for backend systems, including Mermaid sequence diagrams, to document API endpoints, service interactions, event flows, and system behaviors. It saves time by standardizing how you capture flows and decisions.

Core Features & Use Cases

  • Structured Use-Case Docs: Generate consistent Markdown templates for backend workflows.
  • Mermaid Diagrams: Automatically include Mermaid sequence diagrams to visualize flows.
  • Output & Reuse: Default output at docs/{use case name}-use-case.md with easy re-use for API specs.

Quick Start

Example: document this use case for GET /users endpoint to generate a Markdown file describing the flow, including the entry point, request model, and events. Use relative links to source files and diagrams as needed.

Frequently Asked Questions about writing-use-cases

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I document backend API flows with sequence diagrams?▼

Create structured use-case documentation with Mermaid sequence diagrams to visualize backend flows. This Skill generates consistent Markdown templates for API endpoints, service interactions, and system behaviors, outputting to docs/{use-case-name}-use-case.md with diagrams included.

What's the best way to standardize use-case documentation across backend services?▼

Use a prescribed structured format covering Overview, Flow, and Key Points sections with Mermaid diagrams. This approach standardizes how you capture flows and decisions across API endpoints, event flows, and service interactions for consistent, reusable documentation.

Can I use Mermaid sequence diagrams to document event flows and service interactions?▼

Yes. Mermaid sequence diagrams automatically visualize backend flows including event sequences, API interactions, and system behaviors. This Skill integrates them into structured Markdown use-case documents alongside flow descriptions and key decision points.

How do I turn ambiguous backend flows into clear documented use cases?▼

Structure backend flows using this Skill's standardized template with Overview, Flow, and Key Points sections plus Mermaid diagrams. It converts unclear service interactions and API behaviors into clear, reusable Markdown documentation with visual flow representations.

Do I need to manually write Mermaid syntax for sequence diagrams?▼

No. This Skill automatically generates Mermaid sequence diagrams based on your backend flow input, eliminating manual diagram coding. The diagrams are embedded directly in the output Markdown file with your use-case documentation.

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