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bcherny put flight preferences into Cowork instructions and let the Opus agent…

2026-05-12 · 00:22 UTC ·@bcherny ·0 min read

Brief

bcherny put flight preferences into Cowork instructions and let the Opus agent control their browser; Opus navigated multiple travel sites and automatically booked 8 flights and 5 hotels while bcherny worked in Claude Code. Posted 2026-05-12, the author says it worked perfectly and promises to stop booking flights manually.

Source evidence

I put my flight preferences in my Cowork instructions, then let Opus get to work. It opened my browser, navigated a bunch of websites, and booked everything for me.

The result: Cowork booked 8 flights and 5 hotels for me, while I was hacking on something else in Claude Code. It did it perfectly. I am blown away -- it's never been this smooth before. Never booking flights by hand again. ✈️