Most founders have a rough sense of whether their list is growing but no real data on the rate. This prompt pulls your 90-day growth numbers, calculates your monthly rate, and tells you the one thing to do to grow faster.
Growing an email list without tracking the rate is like running a business without looking at revenue. You might be doing well. You might be losing ground. Without the numbers you cannot tell the difference.
A monthly growth tracker gives you the data layer your list-building strategy is missing. Once you know your month-over-month growth rate, you can set a target, identify what is moving the number, and make decisions about where to invest your promotional energy.
This prompt builds that tracking layer in one conversation using your actual Kit data.
Paste the prompt below into Claude with your Kit connector active.
Pull my Kit subscriber growth data for the last 90 days broken down by month. For each month, give me: total new subscribers, total unsubscribes, net growth, and the percentage growth rate compared to the prior month. Then identify which subscriber source drove the most new signups each month and tell me the single highest-leverage action I should take this month to increase my growth rate.
Copy the monthly breakdown into your tracking document. You now have a 90-day baseline. Going forward, you will add one new row each month and the trend will become visible over time.
Claude will surface which form, landing page, or traffic source drove the most growth in each month. If the same source leads every month, it deserves more promotional investment. If different sources lead in different months, look for what changed and whether you can replicate it.
Claude will give you one specific action to take this month to improve your growth rate. This might be driving more traffic to your highest-converting form, creating a new lead magnet for an untapped source, or improving the conversion rate on an existing landing page. Do that one thing before your next monthly review.
Growth tracking only becomes powerful when it is consistent. Set a recurring calendar event for the first Monday of every month to run this prompt and log the new numbers.
A growing list gives you options. A shrinking list takes them away. Track the rate monthly, act on the data, and your list becomes an asset that compounds quietly in the background while you run everything else.
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