gstack

gstack is an open source software factory that turns Claude Code into a virtual engineering team.

gstack is a set of opinionated tools that turns Claude Code into a virtual engineering team. It includes a CEO, eng manager, designer, reviewer, QA lead, security officer, and release engineer. Users run slash commands in Markdown to execute workflows like office hours, planning, code review, and QA testing. It is designed for founders, CEOs, technical leads, and staff engineers who want to ship faster. The toolkit runs as an open source MIT-licensed project and supports Claude Code and OpenClaw.

gstack at a glance

Best for: Software engineer, Founder, Product manager
Runs on: CLI, open source
Pricing: Free, MIT license
Released: March 2026
Category: AI coding tool
Website: github.com/garrytan/gstack

Key features

Office hours product interrogation
CEO and engineering reviews
Design consultation and review
Code review and test audits
Security audits with OWASP and STRIDE
Release engineering and deployment
Browser automation and scraping

Use it for

Run security audits on a repository
Test a staging URL with the QA tool
Plan a feature end-to-end and ship it
Execute code reviews on branches

Companions

Tools that articles about gstack recommend using with it, each with its job.

Claude Code — Built to work with Claude Code.
Context7 — Provides up-to-date documentation for AI agents and code editors.
Playwright MCP — Enables LLMs to interact with web pages using structured accessibility snapshots.
GitHub MCP Server — Reads pull requests, issues and code search on GitHub.
Superpowers — Brainstorm, plan and execute skills for bigger tasks.
Claude Squad — Manages multiple AI agents in isolated git worktrees.

Alternatives to gstack

pstack — Improves AI coding agent outcomes with rigorous workflows.
Tstack — Automates complex pull request workflows and multi-model code reviews.
Claude Code Harness — Enforces a disciplined delivery loop with verification gates and safety checks.
Claude Code Workflows — Provides pre-built, automated workflows for Claude Code development processes.
SuperClaude — Adds 30 slash commands and 8 MCP servers to Claude Code.
Genkit — Provides unified APIs and local developer tools for AI application workflows.
Claude Skills for Full-Stack — Provides 67 specialized skills and 9 workflow commands for full-stack developers.
Claude Plugin — Builds and publishes web apps directly inside Claude Code with built-in hosting.
Graft — Reduces tool calls by 46% and lowers latency by 60% for coding agents.
opcode — Turns terminal Claude Code workflows into an intuitive visual interface.
Claude DevTools — Restores visibility into Claude Code session logs and tool calls.
Gspot — Stops bad code, type errors, and leaked keys before commits happen.

All gstack alternatives