spec

Generate a complete six-area software specification before development.

Updated Mar 19, 2026

Search Tags:#workflow #planning #architecture #specification #requirements #software-engineering

Ready to run

npx skills add https://github.com/japurcell/skills --skill spec-japurcell

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: spec
Source: https://github.com/japurcell/skills/tree/main/skills/spec
Command: npx skills add https://github.com/japurcell/skills --skill spec-japurcell

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Writing software projects without a formal spec leads to misaligned expectations, scope creep, and repeated rework; this Skill ensures a clear, structured specification is produced before coding.

Core Features & Use Cases

Generates a complete spec covering six core areas: objective, commands, project structure, code style, testing strategy, and boundaries.
Guides clarifying questions during ideation and planning to align stakeholders and reduce rework.
Supports end-to-end workflows by exporting the spec to the designated path.

Quick Start

Generate a complete, six-area specification before starting implementation.

Frequently Asked Questions about spec

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

FAQPage Schema

How do I generate a software specification before starting development?▼

A specification document defines the objective, commands, project structure, code style, testing strategy, and boundaries for a software project. Creating one before development aligns stakeholder expectations, prevents scope creep, and reduces repeated rework during the implementation phase.

What is a spec-first planning approach for software engineering?▼

A spec-first planning approach requires creating a complete specification covering objective, commands, structure, code style, testing, and boundaries before coding begins. This workflow ensures aligned expectations and produces structured documentation to guide the software implementation process.

How do I define project boundaries and testing strategy during the architecture phase?▼

Defining project boundaries and a testing strategy during the architecture phase involves documenting functional limits and validation methods within a formal specification. This process clarifies scope and quality expectations before software development starts, reducing rework.

Why does writing software without a formal specification lead to scope creep?▼

Writing software without a formal specification leads to scope creep because project boundaries and functional requirements remain undefined. Producing a structured specification before coding ensures aligned expectations and prevents uncontrolled project expansion during implementation.

Can I use a spec-first workflow for any software project ideation?▼

Yes, you can apply a spec-first workflow to software projects from ideation through implementation. It generates a six-area specification to satisfy functional requirements for objective, commands, structure, code style, testing, and boundaries, ensuring aligned expectations across any project scale.

What's the best way to document code style and project structure for a new build?▼

The best way to document code style and project structure is to generate a complete specification before development. Formalizing these architectural elements alongside the objective and testing strategy during planning ensures the build meets functional requirements and aligns stakeholder expectations.