FounderOS

Build the audience first.The product comes next.

Confabulator plans an app. FounderOS plans the venture. It is a step-by-step coach that takes you from "who am I even building for?" to selling something small to people who already want it.

Vibecoding gets you a product. This gets you customers.

So you can build. Now what?

Build School teaches you to build. You can ship an app in a weekend now.

Once you have done the Claude Code course, building is the easy part. The hard part is figuring out what is worth building, and who will pay for it.

FounderOS is the missing half.

How it works

It flips the usual order. You start with an audience, not an idea.

1
Pick your people

Choose an audience you can reach and actually want to help.

2
Find where they hang out

The forums, subreddits, newsletters and Slack groups they already read.

3
Learn their pain and their language

Read what they write. Save the quotes. Notice the problems that keep coming up, in their words.

4
Ship small, useful fixes

Guides, checklists, tiny tools, given away. FounderOS calls these posts. They earn trust before you ask anyone for money.

5
Launch something you already know will sell

By now the product falls out of your research. You know who it is for and how they describe the problem.

Stages are gated. Complete one, Jax reviews it, and the next stage unlocks once it passes.

Why bother, if AI can build anything?

Building is getting cheap. AI writes more of the code every month.

What stays hard is understanding a market well enough to know what to build and who will pay for it. That part does not get automated away.

Worried AI will make you obsolete? This is the skill that lasts. It also repeats. Once you can find a market and sell into it, you can do it again, and again, and use your vibecoding to build each product.

The muscle you are building is the confidence that you can create a revenue stream when you want one.

What you get

A roadmap that takes you through the journey

A system known to work if you stick to it. One well thought out, linear path, with Jax, an AI coach, to lead you through it.

A Chrome extension for research

Highlight what someone wrote in a forum or thread and save it, tagged, straight into your venture.

The people at Vibecode Lisboa

Office hours, cowork days, accountability and a community of builders doing the same work.

Sean's expertise

Sean has over 30 years of tech and entrepreneurship experience, and has helped many companies figure out their product, sales and marketing.

Built on

FounderOS boils a lot of reading down into one path: lean startup, customer development, lifecycle marketing and marketing automation. As far as we know, nothing else puts all of it in one place. Here is everything it draws on:

Books

Courses

Tools

Videos

Questions

How is this different from Confabulator?
Confabulator turns an app idea into a build plan. FounderOS sits one level up. It helps you find the market and the customers before you commit to building the app.
Do I need an idea first?
No. You start by picking an audience. The idea comes out of the research.
Do I need to know how to code?
Not for the research. When it is time to build the product, that is what Build School is for.
Is it free?
Anyone with a free account can read every stage. Jax, card reviews and the Chrome extension are for paying members.

Find the market first.

Then build the thing it is asking for.