gstack

23 Claude Code skills built by Garry Tan that simulate roles on an engineering team.

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// about

gstack is a set of Claude Code skills, exposed as slash commands, that each take on a role such as CEO, engineering manager, designer, or QA lead during a structured development process. It installs by cloning the repository into the Claude Code skills folder and running a setup script.

// how to install

Clone the repository into ~/.claude/skills/gstack, then run its ./setup script from inside that folder.

// works with Claude CodeCodexCursor

// what’s inside

This repository bundles the following skills:

office-hours: Asks pointed questions about a product idea before any code is written.
plan-ceo-review: Reviews project scope and reframes the underlying problem.
plan-eng-review: Reviews architecture, data flow, and test plans.
review: Runs a production-focused code review and applies fixes automatically.
qa: Tests the app in a live browser and generates regression tests.
ship: Opens a pull request and sets up a test framework if one is missing.
design-consultation: Generates a full design system for the project.
design-shotgun: Produces several visual mockups to explore design directions.
cso: Runs a security audit based on OWASP and STRIDE.
document-release: Updates project documentation automatically.

gstack

// about

// what’s inside

// similar skills in Workflow & Productivity