In an environment of increasing fear and doubt and collapsing trust in health authorities, we need new tools to help people make wise choices. Calypta is available today, starting with MMR, HPV, shingles, colorectal cancer screening, cholesterol, and GLP-1s.

A preregistered active‑control RCT finds a clear increase in stated MMR vaccination intent after a short content review and an LLM conversation.

I’ve been watching our 2025 measles outbreaks with growing horror. So I decided to try to do something about it.

Even if you already type pretty fast, LLMs can help you type much faster.