An Obsidian agentic OS uses Obsidian as the memory — the second brain — for your agent operating system, so every AI agent shares the same context. Obsidian is free and open-source, and wiring it into your Agent OS is what makes agents feel like they truly know you. Here's how it works and how to set it up.
Want the Obsidian memory layer pre-wired into an Agent OS? Get it inside the AI Profit Boardroom. → Join AIPB
What Is An Obsidian Agentic OS?
It's an agent operating system with Obsidian as its memory layer. Obsidian stores everything as markdown files in a beautiful knowledge graph — every person, project, brand and tool as a linked note. Your agents read from and write to that vault, so they all work from one shared brain.
Why Obsidian For Agent Memory?
Because it's free, open-source, local (private on your machine) and markdown-based — exactly what AI agents parse well. Without a shared memory, Claude, Codex and Hermes don't sync; with an Obsidian vault, they all understand what you've worked on and give better, more personalised answers.
📺 Watch: LIVE: Building Agentic Operating Systems with Claude
How To Wire Obsidian Into Your Agent OS
- Install Obsidian (free) and create a vault.
- Seed it — ask Claude or ChatGPT: "based on everything you know about me, create organised markdown files in my Obsidian vault."
- Connect your agents — tell Hermes and Claude to use the local Obsidian folder as memory, reading it for context and updating it after each session.
See Hermes second brain for the memory setup in depth.
📺 Watch: Kimi K2.7 + Obsidian is INSANE
Auto-Capture Notes With Omi
To keep the vault fresh without effort, use Omi (a free, open-source, MIT-licensed tool). It listens and takes notes on what you're working on, then exports straight to Obsidian — so your memory updates itself.
📺 Watch: Hermes: Agent OS + Obsidian + FREE Apis + WebUI!
Sharing Memory Across Every Agent
The payoff: one Obsidian vault feeds Claude, Codex, Hermes and any future model. Switch tools and you lose nothing — the context travels with you. That's the whole point of an agentic OS: the system and its memory outlast any single model.
Get It Set Up
Our Agent OS ships with the Obsidian memory layer wired in — a memory galaxy every agent shares — inside the AI Profit Boardroom, with a video tutorial and install zip. → Join AIPB.
Frequently Asked Questions
What is an Obsidian agentic OS?
An agent operating system that uses Obsidian as its shared memory, so all your AI agents read from and write to one markdown knowledge vault and stay on the same context.
Why use Obsidian for agent memory?
It's free, open-source, local and markdown-based — ideal for AI agents to parse — and it links everything you work on so agents give more personalised answers.
How do I connect Obsidian to my agents?
Install Obsidian, seed the vault with an agent, then tell Hermes and Claude to use the local folder as memory (reading it for context and updating it after sessions). Omi can auto-capture notes into it.
The Bottom Line
An Obsidian agentic OS gives your agents a free, private, shared brain — one markdown vault every model reads from, so context outlives any single tool. Wire it in yourself, or get it pre-built in the Agent OS inside the AI Profit Boardroom.
