yy-dev

Spec-driven development workflow plugin for Claude Code.

Structured feature, bugfix, and investigation workflows with steering-based project memory.

Install

# Add marketplace and install
/plugin marketplace add PleasurehubTeam/yy-dev
/plugin install yy-dev@yy-dev

Quick Start

/yy:init "my project description"   # Initialize project steering
/yy:feature "add user auth"         # Implement a feature
/yy:fix "login fails on mobile"     # Fix a bug
/yy:investigate "slow API response"  # Diagnose an issue

Commands

Daily Work

• /yy:init — Project initialization (create steering)
• /yy:feature — Feature workflow (auto-sizes: small → TDD, large → plan)
• /yy:fix — Bugfix workflow (TDD + code review)
• /yy:investigate — Issue investigation (4-phase debugging)
• /yy:steering — Bootstrap or sync project steering
• /yy:status — View spec status and progress

Formal Spec Pipeline

• /yy:spec-requirements — Generate EARS-format requirements
• /yy:spec-design — Technical design with discovery
• /yy:spec-tasks — Implementation task generation
• /yy:spec-impl — TDD implementation

Validation

• /yy:validate-gap — Requirements vs codebase gap analysis
• /yy:validate-design — Design quality review (GO/NO-GO)
• /yy:validate-impl — Implementation vs spec verification

Project Structure

After initialization, your project gets:

.yy-dev/
├── steering/          # Project memory (product, tech, structure)
├── specs/             # Decision records and feature docs
│   └── <feature>/     # Per-feature spec directory
│       ├── spec.json
│       ├── requirements.md
│       ├── design.md
│       ├── tasks.md
│       └── changelog.md  # Per-spec decision log
└── config/            # Optional: override plugin templates

Dependencies

• superpowers plugin (for TDD, code review, brainstorming)

License

MIT