// tag
Tag: obsidian
May 30, 2026
May 30, 2026
A PM Building a Second Brain: Why I Skipped the Vector DB and Picked Claude + Notion + Obsidian
A senior PM and solo builder maps five second-brain architectures, rejects the vector-DB default, and explains the four-store model that actually fits PM work.
An Easy-to-Build, Easy-to-Manage AI PM OS: 8 Skills, 3 Triggers, 7 Scheduled Jobs
How a senior PM turned Claude Code, Obsidian, and Notion into a working PM operating system — capture skills, a trigger model, scheduled synthesis, and the one habit that holds it together.