# One Agent One Browser

12 Hacker News commenters recommended One Agent One Browser and 4 criticized it, November 2025 to November 2026. It was recommended in 2 of 13 months.

**Verdict:** Admired as a browser engine built from scratch in about 20K lines by one person and one AI agent. Critics say it renders basic sites poorly and crashes often.

## Why people recommend it

- Built from scratch in 72 hours (3 comments): "One man + one agent in 72 hours, did better than thousands of agents over weeks." ([source](https://news.ycombinator.com/item?id=47339313)) "achieving a more impressive result with just one Codex agent in a few days" ([source](https://news.ycombinator.com/item?id=46786352)) "The browser works shockingly well considering it was created in 72 hours." ([source](https://news.ycombinator.com/item?id=46787318))
- Works surprisingly well for its size (3 comments): "The browser works shockingly well considering it was created in 72 hours." ([source](https://news.ycombinator.com/item?id=46787318)) "I ran your binary and was pleasantly surprised" ([source](https://news.ycombinator.com/item?id=46783573)) "it doesn't do much but does it well" ([source](https://news.ycombinator.com/item?id=46787779))

## What people warn about

- Renders basic pages poorly or chaotically (3 comments): "extraordinarily impressive in an absolute sense, and fairly disappointing specifically comparing my result on a a random smattering of other no-js websites" ([source](https://news.ycombinator.com/item?id=46787579)) "The rendering is pretty chaotic when I tried it- not that far off from just the text in the html tags" ([source](https://news.ycombinator.com/item?id=46785607)) "fails to render even basic html websites correctly and crashes constantly" ([source](https://news.ycombinator.com/item?id=46794565))

## Cite as

Hacker Approved, "One Agent One Browser", https://hackerapproved.com/p/one-agent-one-browser/ (counts from 1,795,640 Hacker News comments, November 2025 to November 2026).