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AI Brain — Persistent Memory via Obsidian

Turns an Obsidian vault into Claude's long-term memory: saves session summaries as Markdown notes and recalls only the relevant ones.

AutomationIntermediate★ 357⑂ 62AI score 9/10Last updated: Nov 2, 2026

What it does

  • On "wrap up", "save this session" or "remember this", it distills the conversation into decisions, facts, what was built, and open TODOs.
  • Writes a structured note to AI Brain/<YYYY-MM-DD>-<slug>.md through the Filesystem MCP and adds a one-line pointer to an AI Brain/MOC.md index with #tags and [[wikilinks]].
  • On recall, it greps the MOC and notes for the topic and loads only the matching files — retrieval, not a full reload, so token cost stays low.
  • Enforces append-only writes, no overwriting past sessions, and "never invent memories".

Who it's for

  • Obsidian users running long-lived projects with Claude.
  • Developers and PMs tired of re-pasting context at the start of every session.
  • Anyone who wants their AI memory stored as local files they own.

Examples

  1. Type "wrap up" at the end of a work session → today's architecture decisions and TODOs land in a dated note.
  2. Ask next week "what did we decide about auth?" → Claude opens just that note and answers with a 📓 From your vault: grounding line.
  3. Say "remember this: we deploy on Fridays only" → the fact is appended to the context section and linked from the MOC.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/Ootto-AI/claude-content-skills/HEAD/skills/ai-brain/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on AI Skill Mart.
Copy the skills/ai-brain folder from the GitHub repo Ootto-AI/claude-content-skills into my ~/.claude/skills/ai-brain/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/Ootto-AI/claude-content-skills.git /tmp/claude-content-skills && mkdir -p ~/.claude/skills && cp -r /tmp/claude-content-skills/skills/ai-brain ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/Ootto-AI/claude-content-skills.git
  3. Install the skill: mkdir -p ~/.claude/skills && cp -r claude-content-skills/skills/ai-brain ~/.claude/skills/
  4. Pick (or create) a folder to act as your Obsidian vault.
  5. In Claude Desktop go to Settings → Developer → Edit Config and add the Filesystem MCP connector pointing at that vault folder.
  6. Restart Claude, end a chat with "wrap up", and confirm a new note appears under AI Brain/.
View source on GitHub ↗License: MIT