REPL Is All You Need.

A 19-year-old's proposal for an open standard that lets AI Agent control hardware directly.

The Problem: AI Agents Are Trapped in Screens

AI agents can write code, search the web, deploy servers, and manage databases. They're incredibly capable — inside a container.

But ask your favorite AI to flip a relay, read a temperature sensor, or scan an I2C bus — and it can't. Not because it doesn't know how. It knows exactly what machine.Pin(5, Pin.OUT) does. It just has nowhere to run that code.