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June 4, 2026 / In use

Family Brain

An Obsidian vault for family plans, purchases, notes, and decisions.

Family Brain map showing clusters for planning, documents, decisions, research, household notes, travel, to-dos, and weekly review.
The Family Brain map covers family logistics, documents, research, and decisions.

Demo

See it in action

Screen capture of Codex showing the Family Brain workflow request.Screen capture of the Family Brain Obsidian purchase research dashboard.
Animated from real screen captures: Codex captures the request, then the existingHouse Purchases/Purchase Research Dashboard.md is visible in Obsidian.

What I made

I was having trouble keeping family plans, household tasks, purchases, and work priorities straight with limited free time. I made a private Obsidian vault so those things had one place to go.

How I use it

I use it myself. I can speak to Codex and ask it to update priorities or daily notes. The vault keeps a record of what happened, what we decided, and what I still need to buy or do. I use a separate vault at work for the same reason.

What I’d change

I added too many folders and subfolders. I would simplify the structure so filing a note does not become another task.

How I built it

I store the notes as Markdown files in a local Obsidian vault. A few Python scripts open files and append notes from my prompts.

Tech stack

  • Obsidian
  • Markdown
  • Local folder structure
  • Codex editing the vault directly
  • Lightweight Python helper scripts