Better AI Models Won't Fix Your Engineering Team — Nicholas Arcolano, Jellyfish
Source
youtube.com
Author
AI Engineer
Date
Why it matters
Merged-PR throughput barely moved when many Cursor users switched models. Tool choice explains under 1% of output while agent skillA reusable instruction file that teaches an agent how to do one job well — the procedure, the tools, and what counts as done.Full definition → use, tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → usage, team and individual explain far more, so effort belongs there.
Terms in this piece · Glossary
agent skill — A reusable instruction file that teaches an agent how to do one job well — the procedure, the tools, and what counts as done.
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
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