“Around the same time GPT-3 was launched and it changed the whole content creation game because it was really good at mimicking the writing style of the user. So I created an MVP over the weekend and I really loved it because I was able to convert my own raw thoughts into LinkedIn-worthy posts.”

Build the MVP in a weekend around the single flow competitors were worst at

Devin didn't rebuild a full LinkedIn tool. He isolated the one feature his competitors were weakest at, wrapped GPT-3 around it, and had a working MVP in a weekend that he used on himself first. Scoping to a single high-leverage flow is what made a weekend MVP viable.