r2gi — WritingResearch, engineering, product, and consulting writing from r2gi.https://r2gi.com/Most agents don't need a better modelhttps://r2gi.com/writing/most-agents-dont-need-a-better-model/https://r2gi.com/writing/most-agents-dont-need-a-better-model/What a Marlin engagement actually changes, and why it is rarely the model.Thu, 23 Jul 2026 00:00:00 GMTConsultingmarlinagentsLoops that know when to stophttps://r2gi.com/writing/loops-that-know-when-to-stop/https://r2gi.com/writing/loops-that-know-when-to-stop/Running an agent loop is easy. Knowing when to iterate, when to wait, and when to quit is the hard part.Wed, 22 Jul 2026 00:00:00 GMTEngineeringloopsagentsharnessmarlinThe harness does half the thinkinghttps://r2gi.com/writing/the-harness-does-half-the-thinking/https://r2gi.com/writing/the-harness-does-half-the-thinking/The same model, wrapped in a different harness, becomes a different agent. Most of the reliability lives in the wrapper.Mon, 20 Jul 2026 00:00:00 GMTEngineeringharnessagentstoolsmarlinThe context window is a budgethttps://r2gi.com/writing/context-is-a-budget/https://r2gi.com/writing/context-is-a-budget/Why an agent gets dumber as its context fills, and the handful of habits that keep it sharp.Sat, 18 Jul 2026 00:00:00 GMTEngineeringcontextagentsharnessmarlin