# Product Definition

> Create an implementation-ready product definition and scope boundary.

- Skill: `irwebtools/product-definition` (Agent Skill, multi-file: 10 files)
- Install (CLI): `npx skillmds@latest add irwebtools/product-definition`
- Raw SKILL.md: https://api.skillmd.com/api/skills/irwebtools/product-definition/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: irwebtools (https://skillmd.com/u/irwebtools)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/irwebtools/product-definition

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# product-definition

## When to use

Use when the task matches: product-definition, feature brief, scope.

## Purpose

Produce a feature brief Product and Development can execute without guessing intent.

## Inputs

- Discovery outputs
- Known business rules and constraints

## Process

1. Write a feature brief in Product language.
2. Capture business rules and explicit exclusions.
3. Point to user-story and acceptance-criteria skills for detail.
4. Confirm scope boundary before UX or coding.

## Outputs

- Feature brief
- Scope boundary
- Business rules summary
- Links to stories and acceptance

## Verification

- Confirm each output exists and is reviewable.
- Keep Product validation and engineering verification distinct.
- Do not claim completion without evidence.

## Restrictions

- Do not expand scope without Product confirmation.
- Do not replace UX journey work.
- Do not invent compliance or legal rules.