Self-evolving second brain with 35 AI skills, 10 agents, and people CRM. Closed-loop harness: a V-model verification lifecycle where the worker never grades its own homework. Plus paired anti-slop design skills for marketing and product UI. Works with Claude Code, Cursor, Kiro, Gemini CLI, Codex.

productivity cursor obsidian knowledge-management worker-agents ai-agents closed-loop second-brain agentic self-evolving agent-skills claude-code agent-plugins agent-loop garry-tan gstack gbrain people-crm loop-engineering verification-harness

• Updated Oct 23, 2026
• Python

A workflow harness that helps AI coding agents plan, review, test, and ship safer code.

security-audit developer-tools code-review harness codex ai-agents ai-coding engineering-workflow claude-code harness-engineering gstack

• Updated Sep 10, 2026
• Shell

Complete game production workflow for Claude Code — 27 skills from concept to shipped build. Design review, prototype planning, game feel diagnosis, playability assessment, QA with fix loop, and release. Built on gstack methodology.

game-development code-review game-design indie-game-dev ai-tools skill-system prompt-engineering claude-code game-qa gstack

• Updated May 31, 2026
• Go Template

Turn Codex into an opinionated product-building workflow in minutes

skills codex gstack gstack-codex

• Updated Nov 2, 2026
• JavaScript

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

chinese-translation ai-tools ai-workflow claude-code garry-tan gstack

• Updated Apr 16, 2026
• Shell

A personal second brain for Claude Code — and a shared memory layer for mixed AI + human teams. Markdown vault + auto-capture + semantic search. Composes with gstack, openclaw, Hermes. One command. macOS, MIT.

obsidian ai-agents second-brain semantic-memory claude-code gstack gbrain

• Updated Nov 10, 2026
• Python

Distilled decision-making frameworks from Garry Tan's gstack, packaged as 7 focused Agent Skills.

skills decision-making startup founder yc agent-skills claude-code claude-skill garry-tan gstack

• Updated Apr 26, 2026

Smart skill router for Claude Code — auto-suggests the right skill at the right moment based on message, git state, and dev phase

productivity hook automation ai developer-tools claude ai-agent anthropic claude-code skill-router gstack

• Updated May 5, 2026
• TypeScript

gstack Tutorial #5: from YouTube analytics to a re-engineered Short with CSR-RAP, Claude Opus 5.5 and HyperFrames (EN/ZH)

tutorial youtube-shorts claude-code gstack hyperframes csr-rap

• Updated Sep 29, 2026
• JavaScript

Visual desktop studio for gstack — run all 23 AI engineering agents without touching the CLI

electron react desktop-app developer-tools ai-agents claude gstack gstack-extension

• Updated Oct 9, 2026
• TypeScript

Combining the best powers of GStack+GSD+SuperPowers in a Ralph-Loop

ai coding superpowers gsd spec-driven-development ralph-loop gstack

• Updated Jun 16, 2026
• Shell

Your marketing department in a terminal — 21 AI-powered skills for Claude Code

marketing social-media marketing-automation skills seo copywriting content-marketing ai-agents claude ai-marketing claude-code gstack

• Updated May 5, 2026
• Go Template

gstack adapter for OpenCode with 21 AI engineering skills

skills opencode ai-agents claude-code gstack

• Updated May 31, 2026
• TypeScript

Claude Code skill pack for product builders: Vision → Strategy → PRD → Design Brief, with 6 persona reviews (Cagan, Shreyas, Lenny, Ravi, Julie, Bhaskar), North Star, daily CEO/CPO challenges, and a self-improving knowledge engine. 19 skills.

prd product-management product-strategy ai-tools claude-code gstack

• Updated Jun 6, 2026
• Shell

Strip every gstack annoyance: telemetry, local analytics/timeline/learnings, the per-invoke auto update-check, dead telemetry reads, and the /office-hours YC funnel. Idempotent, runs after every upgrade.

privacy telemetry codex debloat claude-code ai-coding-agents gstack

• Updated Nov 9, 2026
• Shell

Skills for finding your founder-market fit: find a north star, kill darlings, draft thesis memos, run Mom Test interviews, track conviction.

skills worldbuilding codex claude-code claude-code-skills gstack pre-founder founder-market-fit south-park-commons startup-ideation

• Updated Apr 11, 2026
• Shell

Team Agent Skills for agentic workflows with Linear: /linearthis · /storythis · /ccthis · /chonchi — brainstorm & define work, hand designs to devs, build & ship one PR per epic, then hand off for review with the full session transcript + branch link auto-attached.

developer-tools linear claude agent-skills claude-code gstack

• Updated Aug 7, 2026
• JavaScript

The world's most comprehensive, unified library of 537 production AI agent skills — featuring Garry Tan's GStack, Addy Osmani's Engineering patterns, Strix AI Security, UI/UX Pro Max, Big Tech architectures, and full-stack SaaS mastery.

python machine-learning typescript ai seo saas pytorch full-stack data-engineering developer-tools cursor ai-agents windsurf antigravity claude-code gstack

• Updated Aug 29, 2026
• TypeScript

Fork of Garry Tan’s gstack with first-class GitHub Copilot host support, preserving upstream workflow while adding Copilot-native install and skill generation.

ai-agents github-copilot gstack gstack-github-copilot gstack-copilot add-copilot-as-a-host-for-gstack

• Updated Apr 23, 2026
• TypeScript

Extracted Specialist Roles & Prompt Library for gstack (by Garry Tan). Transform Claude Code and GPT-5 into a Virtual AI Software Factory.

roles prompts ai-agent prompt-engineering claude-code gstack

• Updated Mar 27, 2026