Self-evolving second brain with 17 AI skills, 6 worker agents, and people CRM — inspired by Garry Tan's gstack and gbrain. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.

gstack 中文深度注解学习指南 — Chinese annotated guide to garrytan/gstack

Garry Tan's Mega Plan Review adapted for startup business plans, launch bibles, and fundraising strategies. Same rigor, same three modes (EXPANSION / HOLD SCOPE / REDUCTION), different domain. Stress-test your startup plan like Garry stress-tests his engineering plans.