Obsidian vaults, designed as personal knowledge bases, often become disorganized over time due to their flexible structure that prioritizes note capture over organization. The AI tool Claude can quickly scan and reorganize a messy Obsidian vault into a logical, well-structured framework using a collaborative, multi-phase process that includes backing up the vault, identifying duplicate filenames, proposing a folder structure, tagging notes, and creating new connections. This AI-driven approach enables users to maintain a tidy, highly functional second brain without manual effort, saving time and improving note retrieval.
https://www.howtogeek.com/how-claude-fixed-my-messy-obsidian-vault-in-5-minutes-prompts-included/