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Developer Builds Auto-Curation Tool to Purge Unused Claude Code Skills and Cut Token Waste

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A developer running an autonomous Claude Code business generating ¥1.2M per month identified a growing problem: unused AI skill files silently consuming context tokens in every conversation. As Claude Code auto-generates skill files for repeated or corrected tasks, these accumulate and degrade response quality while inflating token costs. To address this, the developer built a weekly automated curation system that tracks skill usage by scanning conversation logs for name mentions. Skills unused for 30 days are flagged as stale, while those idle for 90 days are moved to an archive folder rather than deleted outright. The system is designed to protect manually created skills by only targeting auto-generated files identified by a specific metadata field.

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