Working with Codex
14 MAR 2026 / 11 MIN
A practical operating model for AI-assisted coding: document the repo, scope work tightly, parallelize carefully, and push every task to a real endpoint.
Field Notes02 Essays
Blog
Notes from building products with AI.
Long-form writing on agent systems, product decisions and the operating habits behind the work.
Essays
Building Agentic Systems
02 MAR 2026 / 12 MIN
A practical guide to designing agentic products that share state with humans without becoming fragile.