sdd-spec

Generate structured delta and full system specification documents.

Updated Mar 15, 2026
One-click install
npx skills add https://github.com/julcasans/atl-lab --skill sdd-spec-julcasans
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: sdd-spec
Source: https://github.com/julcasans/atl-lab/tree/main/.github/skills/sdd-spec
Command: npx skills add https://github.com/julcasans/atl-lab --skill sdd-spec-julcasans

SYSTEM DOCUMENTATION & REQUIREMENTS

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

What problem does it solve?

This Skill simplifies the creation, updating, and management of system specifications by providing structured delta and full specs, ensuring clear documentation of changes and current behavior.

Core Features & Use Cases

  • Delta Specification Writing: Generate delta specs for existing systems to document additions, modifications, or removals.
  • Full Specification Generation: Create comprehensive specs for new domains lacking prior documentation.
  • Use Case: A product team modifies system requirements; this Skill helps produce delta specs that clearly outline changes for development and testing teams.

Quick Start

Use the sdd-spec skill to generate delta specifications for a change proposal submitted by the product manager.

Frequently Asked Questions about sdd-spec

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

FAQPage Schema
What is a delta specification in system design?

A delta specification documents the additions, modifications, or removals applied to existing system requirements, ensuring clear tracking of evolving architectural changes for development and testing teams.

How do I document system requirements changes for a development team?

You document system requirements changes by generating structured delta specifications that clearly outline additions or modifications, ensuring development teams receive precise, testable scenario descriptions for evolving architectures.

Can I generate full system specifications for a new domain?

Yes, you can generate full system specifications for new domains lacking prior documentation, producing comprehensive descriptions of current behavior and clear, testable scenarios for the proposed system architecture.

When do I need to use delta documentation for requirements?

You need delta documentation for requirements when a product team modifies an existing system, ensuring that proposed changes are clearly outlined and translated into precise, testable scenarios for validation.

Does this system specification approach support evolving architectures?

Yes, this system specification approach supports evolving architectures by automating the production of structured delta specifications, ensuring clear documentation of system updates and current behavior across changing requirements.