Help users assess and achieve product-market fit. Use when someone is trying to determine if they have PMF, measuring user engagement and retention, running the Sean Ellis survey, or figuring out if they should scale or keep iterating.
Measuring Product Market Fit helps users assess whether their product truly meets market demand by applying proven frameworks from product leaders. It guides practitioners through evaluating key indicators like user retention, customer feedback, and market pull to determine if they have reached or are approaching product-market fit (PMF). This skill also supports decisions on whether to scale, iterate, or refocus based on concrete metrics such as Sean Ellis’s “disappointment” survey results and retention curve analysis.
This skill is designed for growth leads managing early- to mid-stage product launches who need objective methods to validate market fit before scaling. It also serves performance marketers tasked with optimizing acquisition channels, ensuring spend aligns with products that retain users and generate organic demand. Additionally, agency strategists advising startups on go-to-market plans can use this skill to diagnose PMF status and recommend evidence-backed next steps.
Practitioners start by gathering data on customer counts, retention rates at key intervals (day 7, 30, 90), and user sentiment using the Sean Ellis survey to quantify “very disappointed” users. Next, they segment the market to identify where PMF is strongest, concentrating on those groups with clear product pull and reference customers. The third step involves analyzing retention curves to confirm users return and engage over time, watching for a flattening or “smile” curve rather than decay. Finally, they interpret all signals to advise whether to continue iterating, focus on distribution, or confidently scale.
How do I know if my retention is good enough? Look for retention curves that stabilize rather than drop off, indicating users find ongoing value. What if I have engaged users but no referrals or references? Without customers willing to vouch publicly, you likely haven’t reached true PMF. Should I scale if I have a spike in users from a press mention? Launch spikes alone don’t signal PMF—sustained organic growth and market pull are required.
Attach the Measuring Product Market Fit skill to a Metaflow agent tasked with assessing your current stage and customer data. The agent will guide you through key diagnostic questions, analyze retention and survey inputs, then recommend whether to scale or iterate. Expect clear, actionable insights grounded in proven frameworks to inform your growth decisions and product strategy. You can build on this foundation with related skills for deeper user research and retention optimization.
For broader context, see our roundup of claude marketing skills, and read ultimate guide to Claude marketing skills for related setup guidance.