vibe-requirements-validator

name	vibe-requirements-validator
description	Validates PRD, user stories, or feature requirements against SMART criteria. Use when reviewing requirements to catch vagueness before it causes expensive rework.
user-invocable	true

vibe-requirements-validator

Vague requirements cause expensive rework. Catch them early.

When to Use This Skill

• Reviewing a PRD or feature spec before implementation
• Writing acceptance criteria for user stories
• When you notice requirements like "make it fast" or "improve UX"
• Before estimating effort for a feature

When NOT to Use This Skill

• Internal technical tasks with clear scope
• Bug fixes (the bug IS the requirement)
• When requirements are already validated and approved

SMART Criteria

Score each requirement 1-5 on:

• Specific — Is it clear what exactly needs to be built? (Not "improve performance" but "reduce P95 latency to <200ms")
• Measurable — Can you objectively verify it's done? (Not "users like it" but "NPS score >40")
• Achievable — Can it be built with available resources and constraints?
• Relevant — Does it align with project goals and user needs?
• Time-bound — Is there a clear scope boundary? (Not "eventually" but "in v1.0")

Steps

1. List all requirements from the document

2. Score each on SMART (1-5 per dimension)

3. Flag issues:

   • Score < 3 on any dimension → needs revision
   • Measurability < 3 → most common failure, flag prominently
   • Near-duplicates → consolidate
   • Positioning statements masquerading as requirements → remove

4. Report:

Output Format

Requirements Validation: [Document Name]

Total Requirements: X Passing (avg >= 3.5): Y (Z%) Flagged: W

ID	Requirement	S	M	A	R	T	Avg	Issue
FR-1	"..."	4	2	5	4	3	3.6	Low measurability

Top Issues

1. Measurability crisis — X requirements have M < 3
2. Near-duplicates — [list pairs]
3. Not requirements — [positioning statements]

Recommended Revisions

ID	Current	Suggested
FR-3	"Improve load time"	"Reduce initial page load to <2s on 3G"