Notes on coding agents and the tools around them.https://igorsheg.com/https://igorsheg.com/writing/on-building-blocks/https://igorsheg.com/writing/on-building-blocks/Mitchell Hashimoto argued that building blocks beat mainline applications. Pi already proved it for agent harnesses. Zi is my attempt to understand the idea by building one myself.Wed, 12 Aug 2026 00:00:00 GMThttps://igorsheg.com/writing/the-box-and-the-pipeline/https://igorsheg.com/writing/the-box-and-the-pipeline/Giving an agent a box and a prompt is powerful and wasteful. Decomposing the work into deterministic steps is cheap and crippling. Plot is an attempt at the middle.Wed, 12 Aug 2026 00:00:00 GMT