Obsidian + Claude Code Setup Guide
I connected Obsidian to Claude Code. Now every log, idea, and journal entry I write feeds my AI directly, so it knows me before I even open a chat.
By Ryan Frizelle · 5 min read
I just gave AI access to my brain. Every note I take, every meditation I log, every idea I capture, even every grocery order. All of it goes into one place. Then Claude Code reads it. Open a new chat and it already knows what I've been up to and what I need help with. Not even exaggerating.. this changed how I use AI forever.
The secret is Obsidian. It's a free app that turns any folder on your computer into a second brain. You take notes in plain text files, and because they're just files on your machine, you own them forever. No cloud lock-in. No subscription. No sending your private thoughts to someone else's server. And the best part. Claude Code can read those files directly.
Obsidian is 100% free for personal use. Your notes live on your computer, not in someone else's cloud. This isn't sponsored. I use it every single day.
Here is the workflow once this is set up. I open my laptop in the morning and log what's on my mind in Obsidian. A quick note. A feeling. An idea for a post. Whatever. Then I open Claude Code on any project and it already knows what I've been writing about. I can ask it to connect dots between notes I wrote three weeks apart. I can ask it to pull context for an email I'm about to send. No more re-explaining my entire life every single time.
Here is how to install Obsidian and set up your vault:
- 1.Go to obsidian.md and download the free app. Pick your operating system. Install it like any other app. Takes 2 minutes.
- 2.Open Obsidian. It asks where you want your vault. A vault is just a folder on your computer where all your notes will live. Pick any folder. I use ~/Documents/my-brain because it's easy to find later.
- 3.Make your first note. Hit Cmd+N (or Ctrl+N on Windows). Type anything. Save. That's it, you're now running a personal knowledge base.
- 4.Optional but recommended. Turn on iCloud Drive or Google Drive syncing on that folder so your vault shows up on your phone and laptop automatically. Obsidian has a paid sync option but you do not need it.
Set up a daily log system in your vault
I just created an Obsidian vault at [PASTE YOUR VAULT PATH HERE]. Help me set up a simple daily log system inside it.
1. Create a folder called daily-log inside the vault.
2. Build a daily note template with short sections for what I did today, what I'm thinking about, ideas worth saving, and anything on my mind.
3. Show me how to open a fresh daily note in under 10 seconds so I actually stick with it.
Keep it simple. Do not add plugins or fancy setup. I want to be logging within 2 minutes.Now for the part most people miss. An Obsidian vault alone is just a folder of notes. The unlock is pointing Claude Code at it so every conversation starts with full context of who you are and what you've been working on.
Here is how to give Claude Code access to your vault:
- 1.Open Claude Code in your terminal. You do not need to be inside the vault folder yet. This setup works globally.
- 2.We are adding a line to your global CLAUDE.md file. This file lives at ~/.claude/CLAUDE.md and Claude Code reads it at the start of every single conversation, in every project. If you do not have one yet, Claude will create it for you.
- 3.Paste the prompt below. It tells Claude where your vault lives so it can read from it whenever you reference your personal notes.
- 4.Test it. Open a fresh Claude Code chat in any project and ask what is in your Obsidian vault. Claude should list your folders and notes. If it does, you are connected.
Wire your vault into Claude Code globally
Update my global CLAUDE.md file at ~/.claude/CLAUDE.md to include my Obsidian vault as a personal context source. My vault lives at [PASTE YOUR VAULT PATH HERE].
Add a clear section that tells you:
1. Where my vault is on disk
2. What is inside it (daily logs, ideas, notes, thoughts, whatever folders I have)
3. That you can read from this vault anytime I reference my notes, my journal, my thoughts, my brain, or my personal context
Keep the new section short and direct. After you save the file, confirm which projects this will apply to and tell me exactly how you will know when to check the vault.Now the good stuff. Every conversation with Claude Code starts with your full context. You do not need to re-explain who you are, what you are working on, or what you care about. Claude just checks your notes and knows.
Have Claude read your brain
Read my Obsidian vault from the past 2 weeks. Pull out the themes I have been writing about, the ideas I have had, and anything I seem stuck on. Then suggest one thing I should act on today based on what is actually in my head, not what you think I should do.
Be specific. Reference the actual notes you saw. Do not make anything up.Pro move. Log something small in Obsidian every single day. One sentence, a voice memo transcribed, anything. The more you feed it, the smarter Claude Code gets about you. Most people quit knowledge systems after a week. The ones who keep going for 6 months have an AI that knows them better than anyone.
A few things to know before you start. Your vault is just a folder of markdown files. Nothing fancy. If something ever looks broken, open the folder in Finder and you can see every note as a plain text file. You own everything.
Be thoughtful about what you write. Claude Code can read your entire vault, which means anything sensitive (passwords, financial info, private details you do not want in an AI's context) should live somewhere else. Keep the vault for notes and ideas, not secrets.
The more structure you add over time, the better Claude gets. Folders for different areas of your life, consistent note templates, and daily logs all make the AI's responses sharper. Start simple. Add structure as you go.
That is the whole thing. Install Obsidian. Pick a folder. Start writing. Point Claude Code at it. Watch AI become something that actually knows you. Not even exaggerating.. once you experience this you are never going back to generic AI chats.
This is just the setup. In the full course I walk through my exact personal life dashboard that feeds everything into Obsidian automatically. Daily logs, workouts, meditations, grocery orders, voice notes, all of it captured without you thinking about it and synced to your vault so Claude Code always has fresh context on your actual life.
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