gstack

Free

YC founder stack recommendations for infra, tooling, and deployment

FreeFree tier

Type

Open Source

Visit Website GitHub (40 stars)

About gstack

gstack is an open-source collection of 23 opinionated AI agent tools designed by Garry Tan, President CEO of Y Combinator, to enable a single developer to ship software at the speed of a full team. The tools cover roles including CEO, Designer, Engineering Manager, Release Manager, Doc Engineer, and QA, allowing one person to handle the entire product development lifecycle. Tan reports shipping 3 production services and 40+ features in 60 days part-time using this setup. Inspired by Andrej Karpathy and Peter Steinberger's solo AI-driven productivity, gstack integrates with Claude Code and provides pre-configured agents, browser skills, benchmarking, design review, and deployment utilities.

Key Features

23 pre-configured AI agent roles: CEO, Designer, Eng Manager, Release Manager, Doc Engineer, QA

One-person team productivity – ship production services and features solo

Open-source and customizable setup for Claude Code

Includes browser skills, design review, deployment, and QA agents

Proven by Garry Tan (YC CEO) to deliver 3 production services and 40+ features in 60 days part-time

Pros & Cons

Pros

Enables one person to ship like a team of twenty
Comprehensive set of role-specific agents (CEO to QA) covering full lifecycle
Open source and free to use on GitHub
Built and used by Y Combinator's CEO, adding credibility

Cons

Requires Claude Code (an AI coding assistant) which may have usage limits or subscription costs
Opinionated setup may not align with every developer's workflow or preferences
Steep learning curve for users new to AI-assisted development with Claude Code

Best For

Solo founder building and shipping production software without a teamAI-assisted product development covering design, engineering, documentation, and QARapid prototyping and feature deployment for startupsLearning how to leverage AI agents for end-to-end software delivery

FAQ

What is gstack?

gstack is an open-source collection of 23 opinionated AI agent tools created by Garry Tan, President CEO of Y Combinator, designed to help a single developer ship software like a full team using Claude Code.

Who created gstack?

gstack was created by Garry Tan, President CEO of Y Combinator, a veteran engineer and designer who previously co-founded Posterous and built Bookface at Y Combinator.

How many tools are included in gstack?

gstack includes 23 opinionated tools covering roles such as CEO, Designer, Engineering Manager, Release Manager, Doc Engineer, and QA.

Is gstack free to use?

Yes, gstack is open source and free to use. It is hosted on GitHub under the garrytan/gstack repository.