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 ## 📊 Data & Analysis
 - [root-cause-tracing](https://github.com/obra/superpowers/tree/main/skills/root-cause-tracing) - Use when errors occur deep in execution and you need to trace back to find the original trigger
 - [csv-data-summarizer-claude-skill](https://github.com/coffeefuelbump/csv-data-summarizer-claude-skill) - Automatically analyzes CSVs: columns, distributions, missing data, correlations.
+- [notebooklm](https://github.com/sanjay3290/ai-skills/tree/main/skills/notebooklm) - Query and manage Google NotebookLM notebooks with persistent auth, batch/multi queries, source sync, and structured exports.
 - [postgres](https://github.com/sanjay3290/ai-skills/tree/main/skills/postgres) - Execute safe read-only SQL queries against PostgreSQL databases with multi-connection support and defense-in-depth security.