https://hellogxp.github.io/tags/context-engineering/Recent content in Context-Engineering on Xueping's BlogHugoen-usThu, 10 Sep 2026 00:00:00 +0000https://hellogxp.github.io/posts/the-context-bill/Thu, 10 Sep 2026 00:00:00 +0000https://hellogxp.github.io/posts/the-context-bill/Your agent is not slow because it has too many tools. It is paying three separate bills — a resident attention tax charged every turn, a compaction debt charged by the fix, and a measurement illusion that hides whether the capability package was worth anything. A cited accounting of all three, and a decision procedure keyed to which one you are actually paying.https://hellogxp.github.io/posts/how-do-we-think/Sun, 14 Jun 2026 00:00:00 +0000https://hellogxp.github.io/posts/how-do-we-think/METR’s RCT found AI made developers 19% slower—yet they refused to work without it. The paradox reveals a deeper truth: when AI handles execution, human cognition must migrate upstream to specification, context design, and judgment. A framework grounded in cognitive science and HCI research.