What 9,830 Claude conversations reveal about your own habits

Anthropics February 2026 AI Fluency Index studied 9,830 Claude conversations and classified 11 observable behaviors across three axes: Description, Discernment, and Delegation. I read it and immediately wanted to know where my own sessions landed — not the population, mine. skill-tree does exactly that. Install it in Claude Code, run it, and it classifies your session history against the same 11-behavior taxonomy from Dakan & Feller's 4D AI Fluency Framework. You get a visualization showing