Notebook
Signals.
Field notes on agent harnesses, context engineering, and spec-driven development.
Spec-Driven Development as the Agent Interface
Vibe coding scales until the diff is too big to read. Past that point, specs — not chat — become the main canvas for working with coding agents.
Context Is the Agent's Real Budget
Most agent failures look like attention failures, not intelligence failures. Tokens are the unit, but attention is the constraint.
Claude Code and the Shape of an Agent Harness
Notes from a Claude Code sharing session: harness design is organization design for agents — and most useful systems still look boring.