AgentSkillsCN

product-brief-writer

撰写全面的产品简报和PRD。当用户需要记录产品需求、定义特性或创建产品规格时触发。

SKILL.md
--- frontmatter
name: product-brief-writer
description: Writes comprehensive product briefs and PRDs. Triggers when user needs to document product requirements, define features, or create product specifications.

Product Brief Writer

I create structured, comprehensive Product Requirement Documents (PRDs) that serve as the foundation for your project.

What I Create

A complete PRD with:

1. Problem Statement

  • Clear articulation of the problem
  • Why this problem matters
  • Current alternatives and their shortcomings
  • Opportunity size

2. Target Users & Personas

  • Primary user persona (detailed)
  • Secondary personas (if applicable)
  • User pain points and goals
  • User journey maps

3. Product Vision

  • Core value proposition
  • Success criteria
  • Competitive differentiation
  • Long-term vision (1-3 years)

4. MVP Feature Set

  • Must-have features (with rationale)
  • Feature prioritization
  • What's explicitly NOT in MVP (and why)
  • Success metrics for each feature

5. User Stories

For each major feature:

code
As a [user type]
I want to [action]
So that [benefit]

Acceptance Criteria:
- [ ] Criterion 1
- [ ] Criterion 2

6. Technical Considerations

  • Integration requirements
  • Performance requirements
  • Security requirements
  • Scalability needs
  • Data compliance (GDPR, etc.)

7. Success Metrics

  • Key Performance Indicators (KPIs)
  • Target metrics for MVP
  • How you'll measure success
  • User validation strategy

8. Timeline & Milestones

  • MVP timeline
  • Major milestones
  • Dependencies
  • Risk factors

9. Post-MVP Roadmap

  • Features for v2, v3
  • Scaling considerations
  • Enterprise features

How I Work

Input I Need From You

Minimum:

  • What are you building? (2-3 sentences)
  • Who will use it?
  • What problem does it solve?

Ideal:

  • Detailed problem description
  • User research insights
  • Competitive analysis
  • Business model
  • Success criteria

My Process

  1. Discovery Questions - I'll ask clarifying questions
  2. Structure Creation - I'll organize information into PRD format
  3. Gap Analysis - I'll identify missing information
  4. Draft Generation - I'll write the complete PRD
  5. Iteration - We'll refine based on your feedback

Output Format

Markdown file saved to features/docs/product-requirements.md with:

  • Clear section headers
  • Bullet points for scannability
  • Tables for comparisons
  • User story cards
  • Metric definitions

Best Practices I Follow

User-Centric - Every feature tied to user needs ✅ Measurable - Clear success criteria ✅ Prioritized - Features ranked by importance ✅ Realistic - Scope appropriate for timeline ✅ Actionable - Clear enough for engineers to implement

When to Use Me

  • ✅ Starting a new product
  • ✅ Need to document existing product
  • ✅ Pitching to stakeholders/investors
  • ✅ Aligning team on vision
  • ✅ Before starting development

Example Output Structure

markdown
# [Product Name] - Product Requirements Document

## 1. Executive Summary
[2-3 paragraph overview]

## 2. Problem Statement
[Detailed problem description]

## 3. Target Users
### Primary Persona: [Name]
- Demographics: ...
- Pain Points: ...
- Goals: ...

## 4. Product Vision
[Vision statement and differentiation]

## 5. MVP Feature Set

### Feature 1: [Name]
**Priority:** Must-Have
**User Story:** As a [user], I want to [action] so that [benefit]
**Why Critical:** [Rationale]
**Success Metric:** [How we measure success]
**Acceptance Criteria:**
- [ ] Criterion 1
- [ ] Criterion 2

[Repeat for each feature]

## 6. Non-Goals (Out of Scope for MVP)
- Feature X - Why: [reason]
- Feature Y - Why: [reason]

## 7. Technical Requirements
[Integration needs, performance, security, scalability]

## 8. Success Metrics
| Metric | Target | Timeline |
|--------|--------|----------|
| Active Users | 100 | Week 12 |
| Conversion Rate | 20% | Week 12 |

## 9. Timeline
- Week 1-2: Foundation
- Week 3-6: Core features
- Week 7-9: Polish
- Week 10-12: Launch prep

## 10. Risks & Mitigation
[Key risks and how to address them]

## 11. Post-MVP Roadmap
[v2, v3 features]

Ready to Start?

Tell me about what you're building, and I'll create a comprehensive PRD that will guide your development.