20,000 notes and ~400 skills: a 98-minute guide to Obsidian automation as an AI OS
dSebastien · x · 2026-08-19
Sébastien Dubois published "The Complete Guide to Obsidian Automation — From Templates to an AI Operating System," a 98-minute read covering his entire automation system built on a vault of 20,000+ notes and 400 skills, with the mental model of the vault as an operating system.
The guide is layered:
- Layer 1: templates, capture, filing, queries, boards
- Layer 2: git, CLI, REST, cron, sync, publishing
- Layer 3: AI agents, skills, hooks, MCP, multi-agent setups, plus the safety practices that keep it all stable
Core idea: an Obsidian vault is just plain-text Markdown files, so scripts, Git, cron jobs, and AI agents can all read and reason over it — making it a viable base layer for a personal AI "operating system." Because data stays local and under your control, none of this is possible with tools that lock notes in someone else's database.
Related event: A Complete Guide to Obsidian Automation: Treat Your Vault as an OS(2 posts)→
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