You Built It With Claude Code. Now Nobody Is Buying.

Fifty features, tests green, deployed. Zero users. Building got cheap, and the step it used to force on you disappeared with the cost. The fix starts with one person.

PublishedSeptember 16, 2026 · 9 min read
AuthorFoti PanagiotakopoulosFoti Panagiotakopoulos · Founder of GrowthMentor

TL;DR

  • A finished product with zero users is the most common AI-era booking on GrowthMentor. The founders are technical, the product works, and nobody can name one person who has offered to pay.
  • Building used to be expensive enough to force a pause. Claude Code removed the pause along with the cost, so validation has to be put back on purpose.
  • "No customers" is rarely a channel problem. Under it sits one missing fact, a specific buyer who described the problem in their own words and reached for their wallet.
  • The AI that helped you build it cannot validate it. Ask it to plan the interviews, never to answer them.
  • Freeze the repo for two weeks. Ten conversations with strangers, one commitment asked for out loud, then pick a channel. In that order.

The product is done.

Fifty features. Tests green. Backend deployed. The landing page is up, the pricing page has three tiers, and the repo has more commits than some funded startups. Zero users. Or three, and two of them are friends.

In the four months to September, over a hundred different mentoring requests came into GrowthMentor with some version of that paragraph as the opening line. Almost all of them from technical founders, or from founders who became technical this year through Claude Code, Lovable or Replit. The wording barely changes. "We are good at building and we have no idea how to sell." "Distribution is the skill I haven't built." "Only I have used it."

I know the feeling from the inside. Eight months ago I had never opened a pull request. Now I ship the GrowthMentor codebase myself with Claude Code, and the site you are reading this on was built that way. I wrote about that earlier this year. What I did not write about is how quickly the same trap closed on me, and how often I now watch it close on the founders booking calls here.

The pause got deleted with the cost

When an idea cost three months and a developer's salary, you had a reason to stop before starting. You wrote a doc. You showed it to someone. You asked whether anyone would pay, because the alternative was spending money you did not have on a guess.

That friction is gone. Y Combinator said in March 2025 that a quarter of its winter batch had codebases that were 95% AI-generated, and that every one of those founders was fully capable of writing the code by hand. They chose not to, because a weekend beats a quarter.

95%

of the code in a quarter of YC's W25 startups was written by AI, per YC's Jared Friedman. The founders could code. The build was no longer the hard part, and that is exactly when the next part stops being obvious.

The upside is real. I am still wrong about most of what I build. I just find out in three days now instead of three months. The downside is that nothing forces me to stop and ask whether the thing was worth three days in the first place.

Earlier this year I gathered up every product idea I had noted since starting to build and ended up with 85 of them. Cheap building handed me that list. The temptation is to go straight from "I could build this" to building it, and the founders arriving with a finished product and no users are the people who did exactly that, fifty features in a row.

So the builder's job description changed underneath them. The bottleneck moved from build to distribution, and the tools that made the first part free did not say a word about the second.

"No customers" is the symptom

The request usually asks for a channel. Which one, LinkedIn or Reddit or cold email or Product Hunt, and a 90-day plan. I read a lot of these, and the same thing is missing from nearly every one.

A person.

Someone with a job title and a Tuesday, who currently solves the problem some slower way and has said, out loud, that they would pay to stop. The request will have a target-customer section instead, and that section will list eight or nine segments. Small business owners. Researchers. Agencies. Field-based professionals. Anyone with a Shopify store.

A list that long is a tell. It means nobody has said yes yet, so every group that has not said no is still on the list.

Channel questions are unanswerable until that one person exists. Every channel is a way of reaching someone. If you cannot describe the someone, the channel choice is a coin flip, and you will flip it again in 30 days when the first one does not work. That is the loop most of these founders are already in, relaunching every few weeks, changing the positioning each time, calling it iteration.

product, or customer?

The one-buyer check · tap every line that is true

0/5

2 or fewer

You have a product. No customer yet. Channels will not fix that, and neither will feature 51. Start at step one below.

3 or more

You have a buyer. Now channel choice is a real question. Pick one and write the kill number before you spend a dollar.

Most founders arriving with a finished AI product tick one line. Usually the last one, and usually after rewriting the sentence for the call.

The AI that built it cannot validate it

Something I see more every month. The founder has an ICP document, a positioning statement and a go-to-market plan, all of them well written, all of them produced in the same Claude or ChatGPT session that produced the product. Not one of them has been read by a buyer.

The model that wrote your code will also tell you the idea is strong, because it was trained to be agreeable and because it only knows what you told it. We covered the research on that in a separate post. The short version is that an AI assistant affirms you far more often than a person would, and people trust it more for it.

Which means the pain you validated with ChatGPT is your own pain, reflected back with better formatting. It stays your pain, and only your pain, until a buyer describes it unprompted, in their words, before you have described the product.

Use the model for the interviews, never in them. Ask Claude to draft twenty open questions about how the buyer handles the problem today, to find the gaps in your question list, and to summarise your notes afterwards. The ten conversations are yours. Nothing in the transcript should be generated.

The 9 AM test

One question ends a lot of calls early, and it is worth asking yourself before someone asks it for you.

How is this different from what your buyer already does with Claude at nine in the morning?

If the answer is "we organise it better", "we have a nicer interface on top", or "we chain the prompts for them", you have built a feature, and the model vendors ship that feature next quarter. If a competent person can rebuild it with a coding agent over a weekend, you have a weekend's worth of product. Founders on calls here have watched a differentiator they spent a quarter on get rebuilt by someone else inside a month.

The answers that survive the question tend to be one of four things.

  • Data the model does not have. Proprietary, licensed, or generated by your users doing something in your product that they do nowhere else.
  • A vertical the model cannot enter. Regulated work where somebody has to sign for the output, and a general assistant will not.
  • The operations layer. A small business owner can generate a site with Claude. They cannot handle DNS, hosting, backups and the 2 am outage. The part that is boring to you is the moat.
  • A human in the loop that competitors will not staff. Review, accountability, a name on the report.

If none of those apply yet, find out which one your first buyer would pay for before you build any more of the other three.

Run the 9 AM test with someone who has heard a hundred pitches

Book a call with a mentor who has taken an AI product from zero to its first buyers. Bring the product and the list of segments. Leave with one segment and one person to call. Unlimited calls, one membership.

Talk to a mentor

Two weeks, no commits

Every plan below is something I have watched a mentor hand to a founder on a call, and something I have needed handed to me. The work fits in two weeks. Staying out of the editor for two weeks is the part that takes discipline.

How-to guide

From product to first buyer

Six steps, in this order. Skipping to step six is how you got here.

1.

Freeze the repo

Fourteen days, no features, no refactors, no "quick fix" that turns into a Saturday. A line that turns up in request after request, in almost the same words, is that the founder keeps improving the product instead of putting it in front of people. The freeze makes that avoidance visible.

2.

Write down one person

A job title, a company size, the tool or spreadsheet or intern they use today instead of you, and the moment in their week when the problem bites. If you cannot fill that in, you have found the actual gap. Everything else on the segment list gets deleted, for now.

3.

Find ten of them who do not know you

Warm first. An intro from a customer, a community you are already in, a former colleague's network. The pattern in the requests is consistent. Cold InMails to senior buyers go unanswered in the same week that warm introductions turn into conversations. Cold outreach at scale comes later, and only for a message that has already worked by hand.

4.

Ask about their week, never about your product

How do you handle this today. When did it last go wrong. What did that cost. What have you already tried and dropped. The rules in Rob Fitzpatrick's <a href="https://www.momtestbook.com/" target="_blank" rel="noopener">The Mom Test</a> still hold in 2026. Past behaviour, specifics, and no pitching until the end.

5.

Ask for something that costs them

Money is best. A prepaid pilot, a card on file, a signed letter of intent. Failing that, thirty minutes in their calendar next week with a colleague in the room. Enthusiasm with nothing attached is the most expensive signal in this business, because it sends you back to the editor.

6.

Now pick the channel

One channel, the one your first ten already spend attention in, and a kill number written down before the first message goes out. We wrote the full version of that in <a href="/blog/first-customers-only-marketer">the one-channel system</a>. It only works after step five.

Step one is the one that gets skipped. I have skipped it. The editor is where you feel competent, and the conversation with a stranger who does not care about your product is where you do not. The whole two weeks exist to hold you in the second place long enough to learn something.

Where the speed belongs

Keep the speed. Change the target.

Speed spent before the buyer

  • Fifty features because each one took an afternoon
  • A pricing page with three tiers and no payer
  • A relaunch every few weeks with new positioning
  • An ICP document written by the same session that wrote the code

Speed spent after the buyer

  • A landing page for one segment, live by lunch, tested on ten calls
  • The one workflow the first buyer asked for, shipped the same week
  • A clickable demo instead of a finished product for interviews
  • Feature 51 built because a paying customer named it

The founders who get out of the zero-user loop do not stop using Claude Code. They start using it after the conversation rather than in place of it. The build becomes the fastest way to test what a real buyer said, and the three-day feedback loop finally has a real signal on the other end.

Being wrong in three days is only an advantage if someone outside the building tells you that you are wrong.

Talk to someone before commit number 400

The other pattern in the requests is that the founder is alone. Solo, technical, funding it themselves, and they have never sat down with a buyer to ask why they did not buy. Some of them have asked ChatGPT why instead. The request lands here after the third relaunch.

I started GrowthMentor because building alone makes every idea look obvious, and I built the new site alone with Claude Code and made exactly that mistake with a list of 85 ideas. The reminder to lift my head and talk to people came from a mentor, on a call, not from the model.

The people below have taken AI products from a finished build to a first buyer, repeatedly, with other people's runway on the line. One call is usually enough to turn the nine-segment list into one person to phone on Monday.

Built with AI, no customers FAQ

The next move takes ten minutes. Open a doc, write one person's job title and what they do today instead of your product, and list ten places you could find that person this week. Then close the editor for fourteen days.

If the sentence about the person will not come, that is the whole finding. Bring it to a call. It is the most useful thing you could bring.

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