Requirement

Requirement Assistant

Language: English | 繁體中文

Version: 1.1.0 Last Updated: 2026-01-28 Applicability: Claude Code Skills Core Standard: Requirement Engineering Standards

Purpose

This skill provides guidance on writing clear, complete, and actionable requirements.

Quick Reference

User Story Format (INVEST)

As a [role],
I want [feature],
So that [benefit].

INVEST Criteria

Requirement Priority Levels

Detailed Guidelines

For complete standards, see:

• Requirement Writing Guide
• Requirement Checklist

Quick Templates

Simple Issue Template

## Problem
[What problem are we solving?]

## Proposed Solution
[How should we solve it?]

## Acceptance Criteria
- [ ] [Criterion 1]
- [ ] [Criterion 2]
- [ ] [Criterion 3]

Feature Request Template

## Summary
[One-line description]

## Motivation
[Why is this needed? Who benefits?]

## Detailed Description
[Full description of the feature]

## Acceptance Criteria
- [ ] [Measurable criterion 1]
- [ ] [Measurable criterion 2]

## Out of Scope
- [What this feature does NOT include]

Bug Report Template

## Description
[Brief description of the bug]

## Steps to Reproduce
1. [Step 1]
2. [Step 2]
3. [Step 3]

## Expected Behavior
[What should happen]

## Actual Behavior
[What actually happens]

## Environment
- OS: [e.g., Windows 11]
- Version: [e.g., v1.2.3]

Acceptance Criteria Guidelines

Good Acceptance Criteria

• Specific: Clear, unambiguous
• Measurable: Can verify pass/fail
• Achievable: Technically feasible
• Relevant: Related to the requirement
• Testable: Can write a test for it

Examples

Good:

- [ ] User can upload files up to 10MB
- [ ] System responds within 500ms for 95th percentile
- [ ] Error message displays when upload fails

Bad:

- [ ] System should be fast  # Not measurable
- [ ] Make it user-friendly  # Too vague
- [ ] Fix the bug            # No specific criteria

Requirement Completeness Checklist

When writing requirements, ensure you cover:

• What: Clear description of the feature
• Why: Business value / problem solved
• Who: Target users / personas
• When: Priority / timeline
• How: High-level approach (if known)
• Acceptance: Criteria for completion
• Scope: What's NOT included

Configuration Detection

This skill supports project-specific requirement templates.

Detection Order

1. Check CONTRIBUTING.md for "Disabled Skills" section
   • If this skill is listed, it is disabled for this project
2. Check CONTRIBUTING.md for "Requirement Language" section
3. Check for .github/ISSUE_TEMPLATE/ directory
4. Check for docs/templates/ directory
5. If not found, default to English and use default templates

First-Time Setup

If no templates found:

1. Ask the user: "This project doesn't have requirement templates. Which language should I use? (English / 中文)"
2. After user selection, suggest documenting in CONTRIBUTING.md:

## Requirement Language

This project uses **[chosen option]** for requirements and issues.
<!-- Options: English | 中文 -->

3. Suggest appropriate template based on project type

Configuration Example

In project's CONTRIBUTING.md:

## Requirement Language

This project uses **English** for requirements and issues.
<!-- Options: English | 中文 -->

### Issue Templates Location
`.github/ISSUE_TEMPLATE/`

Related Standards

Core Standard (Theory & Deep Reference):

• Requirement Engineering Standards - Complete theoretical foundation including IEEE 830, SWEBOK v4.0, ISO 25010

Related Standards:

• Spec-Driven Development - Specification workflow
• Behavior-Driven Development - Given-When-Then scenarios
• Acceptance Test-Driven Development - ATDD workshops
• Checkin Standards - Code check-in requirements

Version History

License

This skill is released under CC BY 4.0.

Source: universal-dev-standards