Grow a
side business
while you sleep.

Protofounder gives you persistent AI workers that live in the cloud. They research, build, test, and tend to your business ideas around the clock.

Join Waitlist Currently in closed alpha

The notebook full of unbuilt things

We all have them. Domains we bought. Notes apps full of "what ifs". We don't abandon these ideas because they're bad; we abandon them because execution requires uninterrupted time, and life rarely grants that. What if you didn't have to build it yourself? What if you just had to plant the seed?

Cultivating an idea.
How it works.

Capabilities.
What workers can do.

Build and Deploy

From simple landing pages to test demand, to complex internal tools. Workers can write code, configure environments, and push to production while you focus on the vision.

Market Research

Deep dives into Reddit, forums, and competitor sites to extract genuine user pain points.

Run Experiments

Launch A/B tests, manage ad micro-budgets, and analyze which value propositions resonate.

Content & Audience

Generate consistent, high-quality blog posts, documentation, or social content to organically grow an audience for your unlaunched product.

It's not a chat window.
It's a persistent presence.

Current AI tools give you one-off answers. Protofounder gives you long-running workers with their own memory, workspace, and agency. They don't stop when you close the browser. They keep digging, building, and refining.

For people who like making things.

Designed for the curious, the tinkerers, and the builders.

Indie Hackers Side-project builders Early-stage founders Product designers Developers Serial experimenters