When AI 'builds a browser,' check the repo before believing the hype

Autonomous agents may generate millions of lines of code, but shipping software is another matter

Opinion AI-integrated development environment (IDE) company Cursor recently implied it had built a working web browser almost entirely with its AI agents. I won't say they lied, but CEO Michael Truell certainly tweeted: "We built a browser with GPT-5.2 in Cursor."...