spec-driven-dev

name	spec-driven-dev
scope	universal
description	Guide Spec-Driven Development (SDD) workflow for planning changes before implementation. Use when: creating specs, proposals, planning features, using OpenSpec or similar tools. Keywords: spec, specification, SDD, proposal, openspec, design doc, 規格, 提案, 設計文件.

Spec-Driven Development Guide

Language: English | 繁體中文

Version: 1.1.1 Last Updated: 2026-01-30 Applicability: Claude Code Skills

---

Purpose

This skill guides you through Spec-Driven Development (SDD), ensuring changes are planned, documented, and approved before implementation.

Quick Reference

SDD Workflow

┌──────────────┐    ┌──────────────┐    ┌──────────────┐
│   Proposal   │───▶│    Review    │───▶│Implementation│
└──────────────┘    └──────────────┘    └──────────────┘
                                               │
                                               ▼
                    ┌──────────────┐    ┌──────────────┐
                    │   Archive    │◀───│ Verification │
                    └──────────────┘    └──────────────┘

Workflow Stages

Stage	Description	Output
Proposal	Define what to change and why	proposal.md
Review	Stakeholder approval