FirmwareBelow the operating system. Boards, buses and the code that runs on them.

Native interfacesWhere people touch it. Native Mac and iOS apps that do one job properly and look like they belong there.

Agentic engineeringTools for agents. Command lines and skills that let a coding agent find, fetch and act without a human in the loop.

Projects

Preinvent

Mac app, iPhone app, command line, agent skill Don't reinvent the wheel.

Did someone already build this? One query across your own repos, your GitHub stars and the public registries, so you build on what exists.

v0.1.8, free

Offprint

Chrome extension Any page, out of the browser.

Clean Markdown, a YouTube transcript, a full-page screenshot or one offline HTML file. Built for feeding agents.

Free, Pro EUR 15 once
Working together

A small number of projects where the problem is interesting and the scope is honest. Native Mac and iOS work, firmware, and the awkward engineering nobody else wants to own.

marcusvanesveld@gmail.com