spec-design

Generate technical design documentation with sequence diagrams and decision processes.

9|Updated May 27, 2026
One-click install
npx skills add https://github.com/kamioj/spec-workflow --skill spec-design-kamioj
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: spec-design
Source: https://github.com/kamioj/spec-workflow/tree/main/codex/skills/spec-design
Command: npx skills add https://github.com/kamioj/spec-workflow --skill spec-design-kamioj

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines the process of creating detailed technical designs for projects with complex architectures or when in-depth argumentation is required.

Core Features & Use Cases

  • Complex Technical Design: Generates design documentation that outlines the architecture, data flow, and interface contracts.
  • In-Depth Argumentation: Encourages and supports comprehensive explanations and justifications for design decisions.
  • Use Case: Ideal for large-scale projects with cross-cutting concerns between frontend and backend development, or when dealing with more than three interfaces.

Quick Start

Use the spec-design command to elaborate on the technical design for the new API integration.

Frequently Asked Questions about spec-design

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

FAQPage Schema
How do I create technical design documentation for a complex project architecture?

Technical design documentation for a complex project architecture is generated by outlining system structure, data flow, and interface contracts. This process ensures thoroughness and clarity by utilizing a structured approach that includes sequence diagrams and deep decision-making argumentation.

What's the best way to document interface contracts for cross-cutting frontend and backend concerns?

Documenting interface contracts for cross-cutting concerns is best handled by generating comprehensive design documentation that defines the architecture and data flow. This approach is ideal for large-scale projects dealing with interactions between frontend and backend development.

When do I need detailed technical design documentation with in-depth argumentation?

Detailed technical design documentation with in-depth argumentation is needed when a project involves complex architectures or requires comprehensive justifications for design decisions. It is particularly necessary for large-scale projects with more than three interfaces.

Can I generate sequence and data-flow diagrams as part of my code architecture design?

Yes, you can generate sequence and data-flow diagrams as part of code architecture design. The documentation process creates these diagrams to visually map out complex project architectures and ensure thorough communication of system interactions.

How to justify design decisions for a large-scale project with multiple interfaces?

To justify design decisions for a large-scale project with multiple interfaces, the design documentation process encourages and supports comprehensive explanations. It outlines the architecture and provides deep argumentation for each technical choice made during the project lifecycle.