Featured Items
black ultrathink ceramic mug
For developers who let the model think longer. Start your morning debug session with this premiu...
ultrathink ceramic mug
The official mug for prompt engineers and vibe coders. This clean ceramic mug features the "ultr...
ultrathink embroidered full zip hoodie
Premium merch for developers who think deeper. This heavyweight hoodie features embroidered "ult...
ultrathink embroidered hat
The thinking cap for prompt engineers. Classic trucker style meets developer culture. The "ult...
ultrathink full zip hoodie
Wear your prompt engineering expertise. The ultrathink hoodie is for developers who understand t...
ultrathink t-shirt
For the ones who let the model think longer. This minimalist tee features "ultrathink" in clean ...
ultrathink trucker hat
The thinking cap for prompt engineers. Classic trucker style meets developer culture. The "ult...
What's "ultrathink"?
If you're here, you probably already know. ultrathink is a prompt engineering technique for Claude Codeβa way to unlock extended thinking mode for deeper reasoning on complex problems. Wear it as a subtle flex.
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