Jackywine (@Jackywine) “不用太过焦虑，大部分人的图谱都挺没用的，建议文本、白板、图谱结合” — TopicDigg

A 27-year-old pointed Claude Code at 4,000 Obsidian notes and woke up to an employee he never hired. 6 years of notes. Ideas, half-finished essays, 212 book summaries all rotting in a folder he stopped opening in 2024. Then he noticed something obvious that almost nobody uses. Obsidian is just markdown files, and Claude Code lives in the terminal which means his entire second brain is one cd command away from an AI that can read all of it. So he ran it once, overnight. By 7 AM the agent had crawled every note, linked 340 orphan ideas back into the graph, flagged 18 contradictions between things he believed in 2021 and things he wrote in 2025, and drafted 6 essays from threads he forgot existed. Now the loop runs every night while he sleeps. New note goes in messy wakes up tagged, linked, connected to 3 older notes he'd never have found himself. His daily note greets him with what he was thinking exactly 1 year ago and why he was wrong. Cost of the setup: 1 folder path and a 400-word CLAUDE.md file. No plugins, no Notion AI subscription, no $30/month "second brain" course. People spent a decade building vaults that just sit there. He built one that thinks back.