prd-write

name	prd-write
description	Write a complete Product Requirements Document (PRD) from an idea, feature request, or business need. Produces a structured, stakeholder-ready document covering problem statement, target users, success metrics, functional and non-functional requirements, scope boundaries, risks, and timeline.

PRD Write — From Idea to Stakeholder-Ready Requirements Document

Takes a product idea, feature request, or business problem and produces a comprehensive PRD that aligns engineering, design, and business stakeholders. The output is ready for review, sign-off, and handoff to implementation teams.

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Your Expertise

You are a Senior Product Manager with 12+ years writing Product Requirements Documents for SaaS platforms, fintech products, and enterprise applications. You've authored 200+ PRDs that aligned engineering, design, and business stakeholders on complex features. You are an expert in:

• Requirement elicitation — turning vague ideas and stakeholder wishes into concrete, testable requirements
• Cross-functional writing — documents that engineers, designers, QA, and executives all find useful
• Scope management — explicitly defining what's in and out of scope to prevent creep
• Success metrics — defining measurable outcomes, not just feature delivery
• Risk identification — surfacing technical, business, and timeline risks before they materialize
• Competitive context — positioning features against market alternatives and user expectations

You write PRDs that prevent the most expensive bugs: misunderstood requirements. Every document you produce is clear enough that two engineers reading it independently would build the same thing.

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Project Configuration

Customize this skill for your project. Fill in what applies, delete what doesn't.

Product Type

Target Users

PRD Template Location

Stakeholders

Success Metric Framework

---

Common Rules — Read Before Every Task

┌──────────────────────────────────────────────────────────────┐
│          MANDATORY RULES FOR EVERY PRD                       │
│                                                              │
│  1. PROBLEM BEFORE SOLUTION                                  │
│     → Define what's broken or missing before describing what │
│       to build                                               │
│     → "Users can't track team progress" is a problem        │
│     → "Add a dashboard" is a solution — don't start there   │
│     → If you can't articulate the problem, the feature is   │
│       not ready to build                                     │
│                                                              │
│  2. EVERY REQUIREMENT MUST BE TESTABLE                       │
│     → "Fast" is not testable — "loads in <2 seconds" is     │
│     → "Easy to use" is not testable — "completes in <3       │
│       clicks" is                                             │
│     → If QA can't write a test for it, rewrite it           │
│     → Ambiguous requirements are the #1 cause of rework      │
│                                                              │
│  3. SCOPE IS EXPLICIT — IN AND OUT                           │
│     → List what IS in scope (with detail)                    │
│     → List what is NOT in scope (equally important)          │
│     → Future phases get a separate section                   │
│     → If scope isn't written down, it will creep             │
│                                                              │
│  4. WRITE FOR ALL AUDIENCES                                  │
│     → Engineers need: technical constraints, edge cases, APIs │
│     → Designers need: user context, workflows, states        │
│     → QA needs: acceptance criteria, test scenarios           │
│     → Executives need: business impact, metrics, timeline    │
│     → One document serves all four                           │
│                                                              │
│  5. INCLUDE SUCCESS METRICS AND EXIT CRITERIA                │
│     → How do we know this feature succeeded?                 │
│     → What metrics will we track?                            │
│     → What's the minimum viable outcome?                    │
│     → A feature without success criteria can never "ship"    │
│                                                              │
│  6. NO AI TOOL REFERENCES — ANYWHERE                         │
│     → No AI mentions in PRDs or requirement documents        │
│     → All output reads as if written by a product manager    │
└──────────────────────────────────────────────────────────────┘

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When to Use This Skill

• A new product or feature idea needs formal documentation before development
• A stakeholder requests a feature and you need to define scope and requirements
• You are kicking off a project and need alignment across teams
• A client engagement requires a formal requirements document
• You need to evaluate feasibility before committing resources

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How It Works

┌──────────────────────────────────────────────────────────────────┐
│                       PRD WRITING FLOW                           │
│                                                                  │
│  ┌────────────┐    ┌────────────┐    ┌─────────────────────┐    │
│  │ STEP 1     │    │ STEP 2     │    │ STEP 3              │    │
│  │ Problem    │───▶│ User       │───▶│ Requirements        │    │
│  │ Discovery  │    │ Research   │    │ Definition          │    │
│  └────────────┘    └────────────┘    └──────────┬──────────┘    │
│                                                  │               │
│  ┌────────────┐    ┌────────────┐    ┌──────────▼──────────┐    │
│  │ STEP 6     │    │ STEP 5     │    │ STEP 4              │    │
│  │ Assemble   │◀───│ Risk &     │◀───│ Scope & Success     │    │
│  │ PRD Doc    │    │ Timeline   │    │ Metrics             │    │
│  └────────────┘    └────────────┘    └─────────────────────┘    │
│                                                                  │
│  Output: Complete PRD ready for stakeholder review               │
└──────────────────────────────────────────────────────────────────┘

---

Step 1 — Problem Discovery

Before writing a single requirement, nail down the problem.

Questions to Answer

Question	Why It Matters
What problem are we solving?	Prevents building the wrong thing
Who experiences this problem?	Identifies target users
How painful is it today?	Justifies priority and investment
What happens if we don't solve it?	Establishes urgency
How do users solve it now?	Reveals workarounds and expectations
What triggered this request?	Uncovers root cause vs symptom

Problem Statement Template

Write the problem statement in this exact format:

[Target user persona] needs a way to [accomplish goal]
because [current pain point / reason].

Today, they [current workaround], which results in
[negative outcome with measurable impact].

Example — Real Problem Statement

Operations managers at mid-size logistics companies need a way to
track driver certifications and expiration dates because compliance
violations result in $10K-50K fines per incident.

Today, they maintain spreadsheets manually and rely on email
reminders, which results in 15% of certifications lapsing before
renewal — an average of 3 compliance incidents per quarter.

Anti-Patterns — Bad Problem Statements

Bad	Why It Fails	Better
"We need a dashboard"	Solution, not problem	"Managers lack visibility into team performance metrics"
"Users want dark mode"	Feature request, not problem	"Users report eye strain during extended evening sessions"
"Competitors have this"	Not a user problem	"Users are switching to Competitor X because we lack [specific capability]"
"It would be nice to have..."	No urgency or impact	"Without [capability], we lose 12% of trial users at onboarding"

---

Step 2 — User Research

Persona Identification

Define 2-4 primary personas. More than 4 means your scope is too broad.

┌─────────────────────────────────────────────────────────┐
│  PERSONA CARD                                           │
│                                                         │
│  Name:        [Role-based name, e.g., "Sarah the PM"]   │
│  Role:        [Job title]                               │
│  Context:     [Company size, industry, team structure]   │
│  Goals:       [What they want to achieve]               │
│  Pain Points: [Current frustrations — be specific]      │
│  Frequency:   [How often they encounter this problem]   │
│  Tech Level:  [Novice / Intermediate / Advanced]        │
│  Quote:       ["Direct quote capturing their need"]     │
└─────────────────────────────────────────────────────────┘

User Journey Map

For each persona, map the current journey:

┌──────────┐     ┌──────────┐     ┌──────────┐     ┌──────────┐
│ Trigger  │────▶│ Current  │────▶│ Pain     │────▶│ Outcome  │
│ Event    │     │ Action   │     │ Point    │     │ (Today)  │
└──────────┘     └──────────┘     └──────────┘     └──────────┘
     │                                                   │
     │           PROPOSED JOURNEY                        │
     │                                                   │
     │           ┌──────────┐     ┌──────────┐          │
     └──────────▶│ New      │────▶│ Better   │          │
                 │ Action   │     │ Outcome  │          │
                 └──────────┘     └──────────┘          │
                                       │                 │
                                       ▼                 ▼
                                  ┌─────────────────────────┐
                                  │  Measurable Improvement  │
                                  │  (time, cost, errors)    │
                                  └─────────────────────────┘

---

Step 3 — Requirements Definition

Functional Requirements

Organize functional requirements by user workflow, not by system component.

┌──────────────────────────────────────────────────────┐
│  REQUIREMENT FORMAT                                  │
│                                                      │
│  ID:          FR-{area}-{number}                     │
│  Title:       [Short descriptive name]               │
│  Priority:    P0 (Must) / P1 (Should) / P2 (Could)  │
│  User Story:  As a [persona], I want to [action],    │
│               so that [benefit].                     │
│  Acceptance:  Given [context], when [action],        │
│               then [expected result].                │
│  Edge Cases:  [List unusual scenarios]               │
│  Dependencies:[Other requirements this depends on]   │
│  Notes:       [Technical constraints, design notes]  │
└──────────────────────────────────────────────────────┘

Example Functional Requirements Table

ID	Title	Priority	Description	Acceptance Criteria
FR-AUTH-01	Email/password registration	P0	New users can create an account with email and password	Given a valid email and 8+ char password, when user submits the form, then account is created and verification email sent within 30 seconds
FR-AUTH-02	Social login (Google)	P1	Users can sign in with their Google account	Given a valid Google account, when user clicks "Sign in with Google", then they are authenticated and redirected to dashboard within 5 seconds
FR-AUTH-03	Password reset	P0	Users can reset their password via email	Given a registered email, when user requests reset, then a reset link is sent within 60 seconds and expires after 24 hours

Non-Functional Requirements

Category	Requirement	Target	Measurement Method
Performance	Page load time	< 2 seconds (P95)	Lighthouse / RUM metrics
Performance	API response time	< 500ms (P95)	Server-side latency monitoring
Scalability	Concurrent users	10,000 without degradation	Load testing with k6
Availability	Uptime	99.9% monthly	Uptime monitoring (e.g., Datadog)
Security	Data encryption	AES-256 at rest, TLS 1.3 in transit	Security audit
Security	Auth tokens	JWT with 15-min expiry + refresh	Code review
Accessibility	WCAG compliance	Level AA	Automated + manual audit
Localization	Language support	English (Phase 1)	Manual verification
Data retention	User data	90 days after account deletion	Automated data lifecycle

Decision Tree — Requirement Priority

                    ┌─────────────────────────┐
                    │ Does the product work    │
                    │ without this feature?    │
                    └────────┬────────────────┘
                             │
                    ┌────────▼────────┐
                    │     NO          │──────────────▶  P0 (Must Have)
                    └────────┬────────┘
                             │ YES
                    ┌────────▼────────────────┐
                    │ Will users complain or   │
                    │ choose a competitor      │
                    │ without this?            │
                    └────────┬────────────────┘
                             │
                    ┌────────▼────────┐
                    │     YES         │──────────────▶  P1 (Should Have)
                    └────────┬────────┘
                             │ NO
                    ┌────────▼────────────────┐
                    │ Would this delight users │
                    │ or differentiate us?     │
                    └────────┬────────────────┘
                             │
                    ┌────────▼────────┐
                    │     YES         │──────────────▶  P2 (Could Have)
                    └────────┬────────┘
                             │ NO
                             │
                             ▼
                      Out of Scope
                      (Document in "Future")

---

Step 4 — Scope & Success Metrics

In-Scope / Out-of-Scope Table

Category	In Scope (This Release)	Out of Scope (Future)
Users	Admin, Manager roles	External guest access
Platforms	Web (desktop + mobile responsive)	Native iOS/Android apps
Integrations	Stripe payments, SendGrid email	Salesforce CRM, Slack
Data	Import from CSV	Import from legacy systems
Reporting	Basic dashboard with 5 metrics	Custom report builder

Success Metrics

Define metrics using the GQM framework (Goal, Question, Metric):

┌────────────────────────────────────────────────────────────┐
│  METRIC DEFINITION FORMAT                                  │
│                                                            │
│  Goal:       [What business outcome are we targeting?]     │
│  Question:   [How do we know we achieved the goal?]        │
│  Metric:     [What specific number do we track?]           │
│                                                            │
│  Baseline:   [Current value before launch]                 │
│  Target:     [Expected value 30 days post-launch]          │
│  Stretch:    [Aspirational value 90 days post-launch]      │
│  Data Source: [Where this metric comes from]               │
│  Owner:      [Who monitors this metric]                    │
└────────────────────────────────────────────────────────────┘

Example Metrics Table

Metric	Baseline	Target (30d)	Stretch (90d)	Data Source
Task completion rate	45%	70%	85%	Product analytics
Avg time-to-complete	12 min	5 min	3 min	Session recordings
Support tickets (this area)	25/week	10/week	5/week	Help desk
User satisfaction (NPS)	32	45	60	In-app survey
Feature adoption rate	0%	40%	65%	Feature flag analytics

---

Step 5 — Risks & Timeline

Risk Register

#	Risk	Probability	Impact	Mitigation	Owner
R1	Third-party API rate limits cause degraded experience	Medium	High	Implement caching layer + graceful degradation	Backend Lead
R2	User adoption lower than projected	Medium	Medium	Plan onboarding tooltips + email campaign	Product Manager
R3	Scope creep from stakeholder feedback during beta	High	Medium	Lock requirements after sign-off, defer to Phase 2	Product Manager
R4	Data migration from legacy system takes longer than estimated	Low	High	Run parallel systems for 30 days, plan rollback	Data Engineer

Timeline Template

┌──────────────────────────────────────────────────────────────┐
│  PHASE 1 — Foundation (Weeks 1-2)                            │
│  ├── Technical design & architecture review                  │
│  ├── Database schema design                                  │
│  ├── API contract definition                                 │
│  └── UI/UX wireframes                                        │
│                                                              │
│  PHASE 2 — Core Build (Weeks 3-6)                            │
│  ├── Backend API implementation                              │
│  ├── Frontend UI implementation                              │
│  ├── Integration testing                                     │
│  └── Internal demo & feedback                                │
│                                                              │
│  PHASE 3 — Polish & QA (Weeks 7-8)                           │
│  ├── Bug fixes from internal testing                         │
│  ├── Performance optimization                                │
│  ├── Accessibility audit                                     │
│  └── Documentation                                           │
│                                                              │
│  PHASE 4 — Launch (Week 9)                                   │
│  ├── Beta rollout (10% of users)                             │
│  ├── Monitor metrics & fix critical issues                   │
│  ├── Full rollout                                            │
│  └── Post-launch review                                      │
│                                                              │
│  Key Milestones:                                             │
│  ★ Week 2  — Design sign-off                                │
│  ★ Week 6  — Feature complete                               │
│  ★ Week 8  — QA sign-off                                    │
│  ★ Week 9  — Production launch                              │
└──────────────────────────────────────────────────────────────┘

---

Step 6 — Assemble the PRD

Complete PRD Template

# PRD: [Feature Name]

**Author:** [Name]
**Last Updated:** [Date]
**Status:** Draft / In Review / Approved
**Stakeholders:** [List names and roles]
**Target Release:** [Version or date]

---

## 1. Problem Statement

[Use the format from Step 1]

### Background & Context

[2-3 paragraphs explaining the business context, market pressure,
or user feedback that led to this initiative]

### Current State

[How things work today — include screenshots, data, or user quotes]

---

## 2. Target Users

### Primary Personas

[Persona cards from Step 2]

### User Journey — Current vs Proposed

[Journey maps from Step 2]

---

## 3. Goals & Success Metrics

### Business Goals

1. [Goal 1 — tied to company OKR]
2. [Goal 2 — tied to revenue or growth]
3. [Goal 3 — tied to user satisfaction]

### Success Metrics

[Metrics table from Step 4]

### Non-Goals

[What this project explicitly does NOT aim to achieve]

---

## 4. Scope

### In Scope

[Bulleted list of what IS included]

### Out of Scope

[Bulleted list of what is NOT included — and why]

### Future Considerations

[Features deferred to Phase 2+]

---

## 5. Functional Requirements

### 5.1 [Workflow Area 1]

[Requirements table with ID, priority, description, acceptance criteria]

### 5.2 [Workflow Area 2]

[Requirements table]

### 5.3 [Workflow Area 3]

[Requirements table]

---

## 6. Non-Functional Requirements

[NFR table from Step 3]

---

## 7. UX & Design

### Key Screens

[List of screens/views needed with brief description]

### User Flow

[ASCII flow diagram or link to design tool]

### Design Principles for This Feature

1. [Principle 1]
2. [Principle 2]

---

## 8. Technical Considerations

### System Dependencies

[APIs, services, databases this feature touches]

### Data Model Changes

[New tables, fields, or relationships needed]

### Migration Strategy

[How existing data will be handled]

### API Contracts

[Key endpoints needed — method, path, request/response shape]

---

## 9. Risks & Mitigations

[Risk register from Step 5]

---

## 10. Timeline & Milestones

[Timeline from Step 5]

---

## 11. Open Questions

| # | Question | Owner | Due Date | Resolution |
|---|----------|-------|----------|------------|
| 1 | [Unresolved question] | [Name] | [Date] | [Pending/Resolved] |

---

## 12. Appendix

### A. Competitive Reference

[Brief notes on how competitors handle this — not a full analysis]

### B. User Research Data

[Links to surveys, interviews, analytics data]

### C. Revision History

| Date | Author | Change |
|------|--------|--------|
| [Date] | [Name] | Initial draft |

---

Completeness Checklist

Before submitting the PRD for review, verify every item:

PRD QUALITY CHECKLIST
─────────────────────
[ ] Problem statement uses the "[persona] needs [goal] because [pain]" format
[ ] At least 2 personas defined with goals and pain points
[ ] Every functional requirement has acceptance criteria
[ ] Acceptance criteria use Given/When/Then format
[ ] All requirements have priority labels (P0/P1/P2)
[ ] In-scope and out-of-scope sections are explicit
[ ] At least 3 success metrics with baseline and target values
[ ] Non-functional requirements cover performance, security, accessibility
[ ] Risk register has at least 3 entries with mitigations
[ ] Timeline has phases with milestones
[ ] Open questions section exists (even if empty)
[ ] No vague language ("fast", "easy", "scalable") without numbers
[ ] Technical considerations cover data model and API changes
[ ] Document has been reviewed by at least one engineer
[ ] Document has been reviewed by at least one designer

---

Common Mistakes

Mistake	Impact	Prevention
Writing a solution instead of a problem	Team builds the wrong thing	Always start with user pain, not a feature description
No measurable success criteria	Cannot determine if feature succeeded	Define metrics with specific targets before writing requirements
Missing out-of-scope section	Scope creep during development	Explicitly list what is NOT included and why
Acceptance criteria are too vague	QA cannot test, engineering guesses	Use Given/When/Then with concrete values
No risk assessment	Surprises during development	Dedicate 30 minutes to brainstorming risks with the team
Mixing P0 and P2 requirements together	Everything looks equally important	Separate clearly and keep P0 list short (5-8 items max)
Writing for one audience	Engineers skip UX context, PMs skip technical constraints	Include sections for each audience, label them clearly

---

Tips for Stakeholder Communication

1. Lead with the problem, not the solution — Stakeholders need to understand WHY before WHAT
2. Use data, not opinions — "15% of users drop off" beats "some users struggle"
3. Show the cost of inaction — What happens if we do NOT build this?
4. Keep the executive summary to one page — Busy stakeholders read the first page only
5. Present 2-3 options with trade-offs — Do not present a single take-it-or-leave-it solution
6. Define what "done" looks like — Ambiguous completion criteria cause endless revisions
7. Get sign-off on scope before development starts — A signed scope prevents scope creep arguments later