Field Notes

Notes from building with Claude and agents

What works, what breaks, and the mental models behind shipping AI features to real customers.

Field Notes · Issue 01 · May 18, 2026 · 9 min
Main agent, subagents, skills · the three Claude Code primitives that matter
Subagents and skills look the same on the surface. They aren't. One isolates context, the other ships expertise. Get this right and Claude Code suddenly scales.
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