← Back to all builds
Karpathy-style Second Brain
Complete system using Claude + Obsidian skills that turns your notes into a compounding second brain.
Related builds
Leak Radar
Ten free Claude Code skills that hunt money leaks: dead subscriptions, price hikes, idle cash, the right card per purchase, and debt payoff math.
Obsidian Claude Code MCP Plugin
Obsidian plugin that runs its own MCP server inside your vault so Claude Code automatically connects, reads, and writes your notes with zero config.
Book-to-Skill
Turns any PDF, EPUB, DOCX or Markdown book into a ready-to-use Claude Skill that loads only the relevant chapters when needed.
Token Billing
Reads your Claude Code transcripts and shows where the money went, per tool and per command. Runs in the browser, nothing uploaded.
