MDCalc, Nipped and Tucked: Our Biggest Frontend Update in Years
- Graham Walker, MD
- May 3
- 3 min read
MDCalc is twenty years old. Millions of clinicians use it across the world, most of them mid-shift, one hand on a keyboard, eyes darting from our app or website to the EHR and back to their patient. So when we decided to give our look a facelift after 20 years of love, we didn't take it lightly.
This is the largest frontend release we've shipped in years, and it touches almost every navigational surface of the platform: the header, search, the directory, the home page, and the calc pages themselves. Core calculator logic and content didn't move - that's the part you trust, and we're not going to mess with it. Everything around the calc, though, needed work.
Here's what changed, why, and what it sets up.
Why Now
As you build a beloved product, your users bring you the best ideas, and so we've added them one-by-one, just like an academic medical center adds wings. Bolt it on, make it work, move onto the next problem to solve. But just like academic medical centers, the overall design structure can start to get lost. It still works - but "still works" is a low bar for a tool clinicians stake decisions on.
Our 20th anniversary felt like the right forcing function. Not for nostalgia - for the opposite. This release isn't a victory lap. It's the new baseline we plan to build the next decade of MDCalc on top of: better discovery, better personalization, and the trust infrastructure we'll need as accurate clinical evidence becomes even more important.
What's New
Header and global navigation
We modernized the header and pulled the browsing pages out of hiding and into the top nav so every user - not just power users who knew where to click - can find them. Logged-in users get a proper user menu. The search bar got a visual refresh that matches its newly elevated role (more on that below). Perfect segue:Â
Search, basically rebuilt
This is the biggest functional change in the release.
Smarter ranking:Â The algorithm now returns results that actually match how clinicians think - by condition, chief complaint, and clinical context - not just keyword overlap.
A real search results page: You get a full page you can scan and refine.
Auto-suggest with history:Â Recent searches and recommendations show up the moment you click the bar. For repeat users, this turns search into one keystroke.
If you only notice one change in this release, it'll probably be this one.
Directory pages
The old home page tried to do too many jobs at once with a stack of tabs. We broke them into proper pages, each with its own URL and purpose:
Trending - what's popular and what's new.
Favorites - for logged-in users, now with sorting by most used, recently added, or alphabetical. This was the most-requested feature from power users whose favorites lists had outgrown a single screen.
Specialties - browse tools by specialty. Importantly, specialty browsing is now open to everyone, not just registered users. We also added a "content preference" so users who want to focus on one area of tools can easily set that to be their default view.
View all - the full A→Z list, for the completionists and scrollers.
We also added a right-rail content surface across these pages - a place for editorial content, deeper browsing prompts, and more content features that we've got in store.
A new home page
You can already tell, but generally cleaner, with the search bar pulled forward as the primary action. Trending searches are surfaced explicitly to nudge users toward exploration by condition or chief complaint instead of remembering exact tool names. Click-through links into Trending, Specialties, and Favorites give users multiple entry points based on how they want to browse.Â
Calc page refresh
Light touch. More white, less MDCalc-OR-scrub-green. We refreshed the visuals to match the rest of the platform. But obviously, functionality is unchanged. Same inputs, same outputs, same evidence. We're not in the business of moving clinicians' cheese mid-shift.
What This Sets Up
The visible changes are nice. The strategic point is what's underneath.
A modern, instrumented frontend lets us:
Personalize without dumbing down - surface the right tools for the right clinician without burying everything else.
Move faster on content and tooling - a coherent design system means we can ship new features in weeks, not quarters.
Build the trust layer for clinical evidence - discovery, attribution, and provenance all live at the navigational level.Â
This release is the foundation. The next ones are where it gets interesting. (Foreshadowing!)
If you've got feedback - what works, what doesn't, what we missed - we want it. MDCalc has always been built in conversation with the clinicians who use it. That part isn't changing.