gstack

Use Garry Tan's exact Claude Code setup: 15 opinionated tools that serve as CEO, Designer, Eng Manager, Release Manager, Doc Engineer, and QA

open-sourceagent-frameworks

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Releases (6m)

Overview

gstack is an open-source collection of specialized AI agent tools created by Y Combinator's Garry Tan that transforms Claude Code into a virtual engineering team. Instead of working with generic AI prompts, gstack provides 15+ opinionated specialist roles including CEO (strategic product thinking), Designer (visual review), Eng Manager (architecture decisions), QA Lead (browser testing), Security Officer (OWASP audits), and Release Manager (deployment automation). Each role is accessible through slash commands like /plan-ceo-review, /review, /qa, and /ship. The toolset aims to help technical founders and engineering teams maintain the rigor of a full development team while moving at startup speed. Tan reports shipping over 600,000 lines of production code using these tools, demonstrating their potential for high-velocity development. The project is MIT licensed and designed for founders, first-time Claude Code users, and tech leads who want structured, role-based AI assistance rather than blank-slate interactions.

Pros

+ Provides structured specialist roles instead of generic AI prompts, making interactions more focused and productive
+ Comprehensive workflow coverage from strategic planning to code review, QA testing, and deployment automation
+ Battle-tested by a high-profile user with impressive productivity claims and strong community adoption (52K+ GitHub stars)

Cons

- Highly opinionated approach may not suit all development workflows or team preferences
- Requires Claude Code setup and familiarity, limiting accessibility for users of other AI tools
- May be overly complex for simple projects or developers who prefer minimal tooling

Use Cases

• Technical founders who want to maintain engineering rigor while shipping code quickly as a solo developer
• Engineering teams looking to standardize code review, QA, and release processes with AI assistance
• Claude Code users who want specialized agent roles for different aspects of software development instead of general-purpose prompting

Getting Started

1. Install gstack following the repository's installation instructions. 2. Run /office-hours to describe your project and get oriented with the available specialist roles. 3. Try /plan-ceo-review on a feature idea to experience the strategic planning capabilities, then use /review and /qa on existing code to see the review and testing workflows.