Umut Keltek https://keltek.ai/ Writing on building, systems, and AI. Landed Is Not Workinghttps://keltek.ai/essays/landed-is-not-working/https://keltek.ai/essays/landed-is-not-working/Sat, 18 Jul 2026 00:00:00 GMTI audited twelve subsystems of my own agent stack for signs of life. The dangerous failures were invisible: merged, tests green, dead. I Had 8,000 Conversations With AI. So I Built a Search Engine Over Them.https://keltek.ai/essays/8000-conversations-with-ai/https://keltek.ai/essays/8000-conversations-with-ai/Sat, 20 Jun 2026 00:00:00 GMTThree years of ChatGPT history is the densest personal dataset I own. Pointing a retrieval pipeline at it taught me more about memory infrastructure than about myself. Adaptive AI Operating System: Universal Principles for Routing Intelligencehttps://keltek.ai/essays/ai-operating-system-laws/https://keltek.ai/essays/ai-operating-system-laws/Sat, 20 Jun 2026 00:00:00 GMTA portable, generic principle set for designing AI systems that treat intelligence as infrastructure. The Fire Problemhttps://keltek.ai/essays/the-fire-problem/https://keltek.ai/essays/the-fire-problem/Mon, 09 Mar 2026 00:00:00 GMTOn AI, legitimacy, and the thing we were actually avoiding. Beyond Automation: The Age of Recursive Intelligenceshttps://keltek.ai/essays/beyond-automation-recursive-intelligences/https://keltek.ai/essays/beyond-automation-recursive-intelligences/Wed, 04 Mar 2026 00:00:00 GMTWe are shifting from designing systems to conducting the agents that design them. Notes on orchestration, cognitive diversity, and a new asymmetry.