Anthropics February 2026 study classified 11 observable collaboration behaviors across 9,830 Claude conversations. I read it, recognized maybe four behaviors I use regularly, and had no good way to know which of the other seven I was systematically ignoring.
so I built skill-tree: it reads your Claude Code or Cowork session files, runs the same 11-behavior classification against your actual messages, and returns a stable URL with your results rendered as a tarot-style archetype card.
The classification comes from Dakan & Feller's 4D AI Fluency Framework — Description, Discernment, Delegation, Diligence — though Diligence doesn't show up in chat logs, so the tool works across the three visible axes. Seven archetypes total. You can see a live example at skill-tree-ai.fly.dev/fixture/illuminator.
The part I find most useful: it picks one behavior you haven't tried and sets it as a growth quest that persists into your next session via the SessionStart hook. Not a dashboard of everything — one specific gap, one session to work on it.
End-to-end takes 30–60 seconds: find session files, extract user messages, remote classifier (Claude Haiku on Fly.io), archetype assignment, narrative synthesis, render, return URL.
Installs in Claude Code:
claude plugin marketplace add robertnowell/ai-fluency-skill-cards
claude plugin install skill-tree-ai@ai-fluency-skill-cards
Also works in Cowork via skill-tree-ai.zip, and as an MCP server (npm install skill-tree-ai) for Cursor, VS Code, or Windsurf.
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