jefflabs
A one-founder lab that builds web and desktop products with a factory of AI agents. Agents plan, test, build and review; a human decides what ships.
8 products · 1 factory · tests first, always
projects
Floqifylive
Plan work, build with AI agents and see what gets delivered — alongside your own time.
KoartGolive
Map your city street by street: see every street you have run, walked or cycled.
CamperRoambeta
Curated campervan routes and overnight spots across Europe.
SamOntdektbeta
Free city walks in the Netherlands and Belgium, made by an AI content factory.
Yovtain development
A personal content reader that summarises videos, feeds and articles into a second brain.
Markeerlive
A native Markdown editor for Mac: write plain text, edit the formatted view, or keep both side by side.
Simple-slideralpha release
Turn a rough story into a presentation: an offline Mac app with a private web library.
Musicaalpha release
A native Mac home for your Navidrome music collection, with playlist matching on the way.
The factoryinternal
The pipeline of AI agents that builds all of the above, test-first.
how things get built here
$ cat principles.txt 1. every change starts as a task on a board 2. a failing test comes before the code 3. agents build, a different agent reviews 4. humans keep the gates that matter 5. a mistake made twice becomes a rule
Read more about the factory or who is behind it.