Simon Willison • 1/27/2026

One Human + One Agent = One Browser From Scratch

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In response to the hype around multi-agent browser projects, a developer successfully built a functional web browser renderer in Rust using just one AI coding agent over three days. The 20,000-line project renders HTML and CSS with minimal dependencies, demonstrating the potential of focused AI-assisted development to create complex software with a small team.

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#software development #programming #rust
One Human + One Agent = One Browser From Scratch

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