Agent infrastructure and tooling took a turn today: Cloudflare kicked off Agents Week while two open-source launches—Draco for scraping and Mu for agent tooling—hit HN. Research leaned into reasoning and training dynamics with surveys on abductive reasoning, a search-based agent for open-ended QA, and “explorative modeling” as a new scaling axis. Meanwhile, TLS 1.2’s feature freeze and sharp takes on model containment and open models framed the risk and governance backdrop.