obsidian-second-brain

Repository: eugeniughelbur/obsidian-second-brainDescription: Cross-CLI skill for Obsidian that turns your vault into a living AI-first second brain. Key Features:

• 43+ Commands: Includes /obsidian-save, /obsidian-daily, /obsidian-architect, and more.
• AI-First Vault Rules: Notes are structured for machine retrieval (recency markers, wikilinks, metadata).
• Automated Documentation: /obsidian-architect scans codebases to build maintained architecture notes.
• Key-less Research: Fallback to free sources for web research if no API keys are provided.
• Cross-Platform: Works across Claude Code, Codex, Gemini, and OpenCode.

Primary Use Cases:

• Managing a personal knowledge base with AI assistance.
• Automatically documenting software projects within an Obsidian vault.
• Conducting research and synthesizing knowledge directly into your second brain.

Tags: #obsidian #pkm #ai-agent #documentation Added: 2026-06-18 Source: GitHub

Notes / Why Notable

This is more than a simple plugin; it's a methodology and toolset for treating an Obsidian vault as a first-class memory and reasoning layer for AI agents.