What is a PRD?
The document that turns ideas into shipped products. Learn what a Product Requirements Document is, why it matters, and how to turn yours into a tech stack blueprint.
Sources: Miro, ProductBoard, ProductPlan
The Single Source of Truth
A Product Requirements Document (PRD) is a working document that describes what a product team should build and why it matters.
Think of a PRD as the GPS for your product journey. It doesn't tell engineers exactly which roads to take (that's the technical spec), but it clearly defines the destination and the constraints of the trip: "We need to reach customers in the EU, within budget, by Q3."
Product Managers are typically responsible, with input from Product Marketing (market context), Engineering (feasibility), and Design (UX). In startups, founders or tech leads often wear this hat.
6 Building Blocks of a Great PRD
Every effective PRD contains these core elements. Skip one, and you'll feel the gap during development.
Problem Statement
What customer pain point are you solving?
"Users spend 3+ hours researching tech stacks with no clear methodology"User Personas
Who exactly are you building this for?
Solo devs, startup CTOs, agency tech leadsFeatures & Requirements
What capabilities must the product have?
Constraint-based filtering, scoring algorithm, PDF exportAcceptance Criteria
How do you know when it's "done"?
Blueprint generated in <5s, scores match manual calculationConstraints
What limits must you work within?
$10k budget, 2 developers, 3-month timelineSuccess Metrics
How will you measure success?
1000 blueprints/month, NPS > 50, 5% conversionKnow the Difference
PRDs don't exist in isolation. Understanding where they fit in the document hierarchy prevents confusion and rework.
Pro tip: In fast-moving startups, the MRD and PRD are often combined into a single document. The key is having clarity on market need and product requirements - not bureaucratic process.
The Cost of Skipping PRDs
"We'll figure it out as we go" sounds agile. In practice, it's expensive. Here's what proper documentation prevents:
Team Alignment
Everyone references the same source of truth. No more "I thought we agreed on X" moments.
Scope Control
If it's not in the PRD, it's not in the sprint. Clear boundaries prevent feature creep.
Quality Assurance
Acceptance criteria become test cases. QA knows exactly what "working" means.
From PRD to Tech Stack in 30 Seconds
You've written a great PRD. Now what? Manually researching tech stacks takes hours. StacksFinder's Spec Analyzer reads your PRD and generates a scored blueprint automatically.
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