Notes from
the work.

Engineering decisions, experiments, and what we learn building at Progressa Labs.

Latest writing

Cella · Design note4 min read

Why we’re building Cella.

Giving AI agents a place to work means deciding where they run, what they can access, and which actions they can take. A look at the boundaries behind our first project.

Read the design note

Thoughts, decisions, and lessons.
Written as we build.

What drives the work