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Tool analyzes your Claude sessions and assigns one of seven AI collaboration archetypes

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A developer has built 'skill-tree', an open-source tool that analyzes Claude Code or Cowork session histories to classify user behavior across 11 collaboration patterns drawn from Anthropic's February 2026 AI Fluency Index study of 9,830 conversations. The tool assigns users one of seven archetypes — such as the Illuminator or Navigator — each representing a distinct behavioral cluster in how people collaborate with AI. Results are rendered as tarot-style cards using museum artwork, and the tool also identifies behavioral blind spots to set as improvement quests in future sessions. The full classification pipeline, which runs remotely via Claude Haiku on Fly.io, completes in 30 to 60 seconds and persists state locally. The tool is available as a Claude Code plugin, a Cowork zip file, or an MCP server compatible with Cursor, VS Code, and Windsurf.

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