Ultimate Second Brain

Automate your knowledge graveyard with AI that thinks across your notes while you sleep.

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Description

A knowledge management system that integrates Obsidian with multiple AI models to automatically process, connect, and surface information from notes autonomously. The system utilizes a lightweight implementation consisting of five files and a single cron job to transform static files into a proactive agent-driven database.

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Details

Why this is interesting: Presents a novel agentic workflow that autonomously processes personal knowledge bases during downtime to surface…
Built with: GPT-5.6 Luna GPT-Live K2.7 Code North Mini Code GPT Image 2 Sora 2 GPT-5 Codex Redwood AI o4-mini Codex Hermes 3 Phi-3 Mini 4K Whisper
Tags: #obsidian #automation #knowledge-management #personal-ai

Discovered: X
First posted: X · Jul 31, 2026
Listed: Added 46d ago
Build: Strong
Models: Strong

Prompt

# CONTEXT RULE (read first, every time)
1. Read identity.md and projects.md before answering anything.
2. Pull ONLY the notes that match the question, follow their links
   one hop out, and cite every note you used by name.
3. If the vault has the answer, never answer from training data.
4. If the vault does not have it, say so plainly.
5. When I say "remember this", write it to the right layer yourself.

NIGHTLY (runs at 03:00):
Read everything new in /0-raw. File each item: facts about me into
identity.md, tasks into tasks.md, project updates into projects.md,
knowledge into the right /1-wiki page, rewriting the page so it stays
one clean current version instead of a pile of appendices. Find links
between this week's notes and older ones and note them in the wiki.
Flag anything untouched for 14+ days. Then write tomorrow's brief
to /2-digest/brief.md: project state, open loops, what carried over,
one thing I'm avoiding that matters. Log every decision.

Source

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