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Simon Place
FREN
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Build your second brain

Six modules to set up a notebook that AI maintains for you. No code: Obsidian, a rules file and sentences to copy and paste into Claude Code.

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Free, no account needed. Claude Code needs a paid Claude plan (Pro or above).

The program

About 3 h 50

Module 1 of 6

Why a second brain that maintains itself

  1. Why a second brain that maintains itselfUnderstand the difference between taking notes and building knowledge, and what AI changes.Module 1 · About 30 min

Module 2 of 6

Obsidian and the knowledge graph

  1. Set up the vault in ObsidianHave a structured vault, ready for Claude, in fifteen minutes.Module 2 · About 30 min
  2. The knowledge graph, for beginnersUnderstand what a knowledge graph is, see it in Obsidian, and know how to read your own.Module 2 · About 30 min

Module 3 of 6

The rules file

  1. Write your rules fileTurn the template CLAUDE.md into your own rules, with a closed list of themes.Module 3 · About 30 min

Module 4 of 6

Add, ask, check

  1. Add, ask, check with Claude CodeAdd three documents, ask a question and get the answer filed, with sentences to copy.Module 4 · About 40 min

Module 5 of 6

Spending fewer tokens

  1. Spending fewer tokensUnderstand what a session costs, and the four habits that cut it by more than half.Module 5 · About 30 min

Module 6 of 6

Search and databases

  1. Search and databases: what to chooseKnow when files are enough, when a database helps, and which one to pick.Module 6 · About 35 min

Appendix

  1. Going furtherWhat my own second brain does on top of this course, for when you want to automate.Appendix · About 5 min

Let’s talk it through on a call, no commitment. You leave with a straight answer on what’s doable and where to start.

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