Johnny Greco
AI researcher and builder
Recent activity
Have It Your Way: Customizing Data Designer with Plugins
A plugin framework for the custom pieces every real project ends up needing.
Data Designer Got Skills
Lessons from building and benchmarking an agent-first CLI and skill for Data Designer.
Leading OpenShell Research
A new research team and open journal for research engineering built on the OpenShell runtime.
Project spotlight
OpenShell Research
An open research journal for engineering work that uses OpenShell as its safe, private runtime for autonomous AI agents.
ArtPop
Build realistic, image-based models of resolved stellar populations and artificial galaxies—one star at a time.
Beacon
Real-time signals for AI agents, with a lightweight Go server for seeing what distributed agents are doing as it happens.
Data Designer
Generate high-quality synthetic data from scratch or from seed data with a flexible, open-source framework.
midiGPT
A decoder-only transformer for generating music as MIDI, built from scratch with PyTorch.