<?xml version="1.0" encoding="UTF-8"?><urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9" xmlns:news="http://www.google.com/schemas/sitemap-news/0.9"><url><loc>https://newsletter.artofsaience.com/p/tsinghuas-multi-agent-ai-classroom</loc><news:news><news:publication><news:name>Gradient Ascent</news:name><news:language>en</news:language></news:publication><news:publication_date>2026-04-02T23:34:09+00:00</news:publication_date><news:title>Tsinghua's Multi-Agent AI Classroom, Anthropic's Context Engineering Playbook, and a 54 LLM-Architecture Gallery - 📚 The Tokenizer Edition #22</news:title></news:news></url></urlset>