SecondBrain-Template

LLM-agent-powered Obsidian vault. Clone and start thinking.

A pre-configured Obsidian vault that uses AI coding agents to automate knowledge management. Based on the Karpathy 3-Layer Architecture (Raw → Wiki → Graph) and PARA folder structure. Works with Claude Code, Codex, Cursor, and Antigravity.

What You Get

• Karpathy 3-Layer knowledge architecture (Raw → Wiki → Graph)
• PARA folder structure with agent navigation
• 2 Agent Skills — vault-doctor (diagnostics), skill-forge (create new skills)
• 1 agent persona — vault-specialist
• Cross-tool compatibility — .agents/ works across Claude Code, Codex, Cursor, Antigravity
• Project document templates — PRD, ARCHITECTURE, DECISIONS, etc.
• Tag and frontmatter enforcement rules

Architecture

Content flow: Raw → Wiki (manual refinement) → Graph (automated)

Quick Start

1. Use This Template

Click "Use this template" → "Create a new repository" on GitHub, or:

2. Run Setup

• Replaces {{VAULT_NAME}} placeholders
• Creates cross-tool symlinks (.claude/ → .agents/)
• Initializes git

4. Open in Obsidian

Open the cloned folder as a vault in Obsidian. Install the Dataview community plugin for Home.md queries.

Cross-Tool Compatibility

All agent infrastructure lives in .agents/. setup.sh creates symlinks so each tool discovers it: