Course contents

The gstack Directory

Every command in the toolbelt, what it does, and where the course teaches it. Installed in Session 1 by pasting https://github.com/garrytan/gstack into Claude Code. Don't read this top to bottom, come back as each row becomes yours.

Every session, both directions

Command What it does Learned
/context-save Save where you got to before closing a session S1
/context-restore Pick up exactly where you left off S2
/gstack-upgrade Update the toolbelt (run weekly) S1

Safety (on from day one)

Command What it does Learned
/careful Warnings on destructive commands, the seatbelt S1
/guard Full safety mode: warnings + edits fenced to a folder S6
/freeze / /unfreeze Fence edits into one folder / formally move the fence S6

Deciding what to build

Command What it does Learned
/office-hours Pitch your idea to a hard-question investor, the business case S4
/spec Turn intent into a precise spec, interviews you, five phases S2 (slice), S4 (system)
/plan-tune Calibrate how the review skills question you S5
/plan-ceo-review Gate: is it worth building? S5
/plan-eng-review Gate: is it technically sound? S5
/plan-design-review Gate: will a human enjoy it? S5
/plan-devex-review Gate: will it be pleasant to build and change? S5
/autoplan All four gates, auto-adjudicated, the board you later sit yourself in S5 S2

Design

Command What it does Learned
/design-consultation Research + a full design system, with previews S5
/design-shotgun Several design variants on a comparison board, pick one S3
/design-html The chosen design as production-quality HTML/CSS S3
/design-review Designer's-eye QA of the real thing, finds and fixes S8
/diagram English in, real diagram out (editable afterwards) S5

Building and debugging

Command What it does Learned
/investigate Scientific debugging: observations → root cause before any fix S6
/scrape Pull data out of a web page S3
/skillify Turn your last scrape into a permanent one-word command S3
/setup-gbrain / /sync-gbrain Long-term project memory, CLAUDE.md's index principle at codebase scale S7

Testing and quality

Command What it does Learned
/qa-only Robot tester, report only, a gate wants findings recorded S1, S8
/qa Robot tester that fixes as it finds, agile wants it done S2
/cso Chief Security Officer review of the whole project S8
/health Code-quality dashboard, the X-ray S8
/benchmark Performance baseline + regression detection S8
/devex-review Audit of your repo as a workplace S8
/codex Second opinion from a different AI model entirely S8
/browse The fast headless browser under /qa, /scrape, /benchmark S2 (seen)
/connect-chrome A visible browser the agent can drive S1
/setup-browser-cookies Lend the agent's browser your logins (understand it before running it) S3

Shipping and watching

Command What it does Learned
/review Pre-landing review of a change, the review step inside /ship, standalone S8
/ship Tests → review → version → changelog → commit → push S1, S8
/setup-deploy One-time deployment configuration S2
/land-and-deploy Take a change through checks and out to the live site S2
/canary Watch the deployment after it ships, ship and observe S2
/landing-report Dashboard of everything shipped and queued S8

iPhone apps (the capstone)

Command What it does Learned
/ios-sync Install the debug bridge, scaffolding that lets the agent see into your phone S6
/ios-qa Robot tester driving the app on your real device S6
/ios-fix Autonomous iOS bug fixer (you re-run QA after, evidence, always) S8
/ios-design-review Visual design audit on the actual hardware S8
/ios-clean Strike the scaffolding: remove the debug bridge at closure S8

Documents and memory

Command What it does Learned
/document-generate Write a project's missing documentation S7 (homework)
/document-release Update docs for what actually shipped S8
/make-pdf Any markdown into a polished, printable PDF S8
/retro Structured retrospective on how you worked S3, S8
/learn Bank lessons where future sessions will find them S3, S8

The one you only hear about

Command What it does Status
/pair-agent A remote agent paired with your browser, directing a team S8, the finale
/benchmark-models How the gstack authors test their own toolbelt across AI models Awareness only, meta-tooling, not course material

Every one of these commands is a markdown document (Session 3's reveal). When you're curious how one works, read it.