// whois

Dr. Marius Vach

Radiologist, AI Researcher & Software Engineer. Building tools at the intersection of medicine, AI and software.

github blog email

// projects

PDFling

Send PDFs to Kindle instantly — no conversion, equations & figures preserved. Works best with Scribe/Oasis.

Online Kniffel

A tiny web version of Kniffel/Yahtzee — quick games, mostly built for fun and friends.

Aneurysm Risk Calculator

Medical calculator for aneurysm rupture risk. Implements UIATS, PHASES, and other scoring systems.

AWMF Agent

Agent for working with medical guidelines and documentation.

wilhelm.ai

AI-powered radiology education tool. RAG system that finds & summarizes Radiopaedia content to answer radiology questions. Built with FastHTML + DSPy.

// publications

// featured repos

fh-heroicons

Heroicons as FastHTML components

 fhadmin

Admin panel for FastHTML + SQLite

 bandits

Multi-armed bandit simulations in Python

 tunnels

Lightweight reverse tunnel + proxy helpers (quick access to services behind NAT).