feature-spec

Draft PRD-style feature specifications with goals, metrics, and open questions.

28|2|Updated Feb 5, 2026
One-click install
npx skills add https://github.com/labs21-dev/agents-stack --skill feature-spec-labs21-dev
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: feature-spec
Source: https://github.com/labs21-dev/agents-stack/tree/main/skills-optional/feature-spec
Command: npx skills add https://github.com/labs21-dev/agents-stack --skill feature-spec-labs21-dev

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Translates ambiguous product ideas into formal, testable specifications that guide scope, decisions, and delivery.

Core Features & Use Cases

  • PRD Problem Framing: clearly articulates user problems and business rationale.
  • Scope & Goals: defines boundaries, measurable outcomes, and acceptance criteria.
  • Open Questions & Non-Goals: records unresolved issues and out-of-scope items to prevent scope creep.
  • User Stories & Requirements: crafts customer-centric narratives and traceable requirements.

Quick Start

Draft a PRD-style spec for a new feature by outlining the problem, goals, non-goals, user stories, requirements, acceptance criteria, and timeline considerations.

Frequently Asked Questions about feature-spec

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

FAQPage Schema
How do I draft a PRD that clearly defines feature scope and success metrics?

Draft a PRD by stating the problem, context, goals, non-goals, user stories, requirements, and acceptance criteria. This feature specification format translates ambiguous product ideas into testable boundaries that guide delivery decisions.

What is the best way to prevent scope creep when writing user stories and requirements?

Prevent scope creep by explicitly recording non-goals and open questions in your PRD. Defining out-of-scope items alongside traceable user stories and requirements ensures stakeholders align on strict boundaries before feature delivery begins.

Can I use this PRD template for MVP scope assessment and stakeholder alignment?

Yes, the PRD template supports MVP scope assessment and stakeholder alignment. It provides preflight checks and structured sections for problem statements, measurable goals, and timeline considerations suitable for various product scenarios.

What sections should a product requirements document include for risk assessment?

A product requirements document for risk assessment should include problem framing, goals, non-goals, user stories, requirements, timeline considerations, acceptance criteria, and open questions. These sections record unresolved issues and measurable outcomes.

How do you write acceptance criteria and user stories for a feature spec?

Write acceptance criteria and user stories by crafting customer-centric narratives within the feature spec. This approach translates product ideas into formal, testable requirements that establish clear scope boundaries and guide delivery validation.