Use Garry Tan's exact Claude Code setup

GStack Introduction

GStack is an open-source tool that enhances the Claude Code AI assistant by adding a suite of specialized slash commands for development workflows. It transforms the generic assistant into a team of experts for tasks like QA testing, code review, and deployment automation, providing opinionated, ready-to-use skills to improve productivity and code quality.

Key Features

  • Specialized slash commands for development roles such as QA Engineer and DevOps Engineer.
  • Systematic QA testing with modes for full, quick, and regression testing, including detailed reporting.
  • Predefined workflows for code review, planning, browser automation, and engineering retrospectives.
  • Easy integration with Claude Code via simple installation by copying command files.

Use Cases

  • Developers using Claude Code can invoke expert assistance for tasks like code reviews and bug hunting.
  • Teams can automate QA testing processes with structured reports and health scores for web applications.
  • Startups can streamline deployment and infrastructure setup with one-command shipping and DevOps automation.
  • Project managers can conduct plan reviews and engineering retrospectives using AI-powered insights.

Why Startups Use It

Startups need GStack because it provides efficient, predefined workflows that reduce setup time and ensure best practices in development. It leverages AI to offer specialized expertise on demand, enabling small teams to maintain high code quality and accelerate product development without extensive resources.

Alternative Options

Custom Claude Code configurations, other AI coding assistant plugins, manual development workflow scripts

Frequently Asked Questions

What is GStack?

GStack is a collection of slash commands that extend Claude Code, turning it into a team of specialists for various development tasks like QA testing and code review.

How do I install GStack?

Install GStack by cloning the GitHub repository and copying the command files into your project's .claude/commands/ directory, as outlined in the documentation.

What skills are included in GStack?

GStack includes skills for plan review, code review, one-command shipping, browser automation, engineering retrospectives, and QA testing with multiple modes.

Is GStack compatible with all versions of Claude Code?

GStack is designed for Claude Code, but users should verify compatibility with their specific version, as it may require updates or adjustments.

More About GStack

Pricing
Paid
Listed Date
Jul 06, 2026
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