<?xml version="1.0" encoding="utf-8"?><feed xmlns="http://www.w3.org/2005/Atom" xml:lang="en"><generator uri="https://jekyllrb.com/" version="3.10.0">Jekyll</generator><link href="https://philippguldimann.ch/feed.xml" rel="self" type="application/atom+xml" /><link href="https://philippguldimann.ch/" rel="alternate" type="text/html" hreflang="en" /><updated>2026-07-18T12:54:45+00:00</updated><id>https://philippguldimann.ch/feed.xml</id><title type="html">Philipp Guldimann</title><subtitle>AI Harness Engineer — LLM evaluation, agent reliability, and the data pipelines underneath.</subtitle><author><name>Philipp Guldimann</name><email>phil.guldimann@gmail.com</email></author></feed>