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product-market-fit

Diagnose product-market fit and plan systematic improvements for B2B SaaS.

23|2|Updated Feb 10, 2026
Search Tags:#growth#retention#survey#cohorts#nps#pmf#product-market-fit
One-click install
npx skills add https://github.com/luisschmitzheadline/VC-Skills.md --skill product-market-fit-luisschmitzheadline
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: product-market-fit
Source: https://github.com/luisschmitzheadline/VC-Skills.md/tree/main/knowledge_skills/due_diligence/skillsmp-product-market-fit
Command: npx skills add https://github.com/luisschmitzheadline/VC-Skills.md --skill product-market-fit-luisschmitzheadline

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes assets (resource) and references (resource) components.

What problem does it solve?

Product-market fit is hard to achieve and sustain; this Skill provides structured frameworks to measure PMF, diagnose root causes, and guide systematic improvements across stages from pre-PMF to post-PMF.

Core Features & Use Cases

  • PMF assessment using Sean Ellis 40% rule and the PMF dashboard templates.
  • Cohort retention analysis, leading/lagging indicators, and NPS benchmarking.
  • Roadmap planning and execution for focused core-value protection and targeted expansion.

Quick Start

Start with a quarterly Sean Ellis PMF survey, analyze champion segments, and map a 50/50 improvement roadmap to strengthen core value while converting warm users.

Frequently Asked Questions about product-market-fit

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I measure product-market fit for my B2B SaaS?▼

Measure product-market fit for B2B SaaS by deploying the Sean Ellis 40% survey rule, analyzing cohort retention curves, benchmarking NPS, and validating unit economics against established PMF dashboard templates to diagnose your current stage.

What is the Sean Ellis 40% rule for PMF scoring?▼

The Sean Ellis 40% rule is a PMF scoring method where you survey users to find the percentage who would be very disappointed without your product. Reaching 40% indicates you have achieved product-market fit.

How do I analyze cohort retention to diagnose PMF issues?▼

Analyze cohort retention to diagnose PMF issues by tracking leading and lagging indicators across user groups over time. Flattening retention curves indicate product-market fit, while declining cohorts highlight core value weaknesses to fix.

Can I use this PMF framework for pre-PMF and post-PMF stages?▼

Yes, you can use this PMF framework for pre-PMF, at-PMF, and post-PMF stages. It guides early user interviews, retention analysis for core value validation, and targeted growth experiments for sustained product-market fit.

What's the best way to plan a roadmap after achieving product-market fit?▼

The best way to plan a roadmap after achieving product-market fit is mapping a 50/50 improvement strategy that protects core value for champions while running targeted growth experiments to convert warm users and expand segments.

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