Kosuke Tutorial: Kosuke Jump Start
A free Kosuke tutorial: give every change an AI coding agent makes to a website its own live preview, check it at phone size, let Kosuke test it in a real browser with video, share it with the client and hand it off as a pull request.
Kosuke Tutorial: Kosuke Jump Start is a free, hands-on AI course for agency owners, operations people and small-business owners who use an AI coding agent such as Claude Code on a website or internal tool and need to check its work without reading code: 2 short modules (about 27 minutes in all) where you do each step yourself in a safe practice copy of Kosuke, which checks your work. No coding, no cost, and you can start without signing up.
Who it’s for: Agency owners, operations people and small-business owners who use an AI coding agent such as Claude Code on a website or internal tool and need to check its work without reading code. No developer background needed for the practice.
Why this course
Kosuke (kosuke.ai) runs your AI coding agent on your GitHub repository inside a cloud sandbox. You describe a change in plain words, the agent makes it on its own branch, and you try it in a live Preview of your running app before it ships as a pull request. Its /kosuke:automated-qa skill tests the change from a written Testing Checklist in a real browser and records a video for each section.
This Jump Start has two business cases: a made-up agency that looks after 12 client websites and wants every change previewed and approved by the client, and a made-up online store that needs every change to its orders page tested and recorded. Setup screens were checked in a real Kosuke account in October 2026; the session, QA and pull request screens are Kosuke's own screenshots from docs.kosuke.ai, credited where they appear.
New to the idea? Read What Is Kosuke? first: projects, sessions, sandboxes, Preview, automated QA and pull requests, in plain words.
- Module 1 · Kosuke · Intermediate · ~15 min
Preview Every Website Change Before Your Client Sees It using Kosuke
A business case for agencies and small businesses that use an AI coding agent: price what an unchecked website change costs, then use Kosuke to give every change a live preview, check it on a phone, let Kosuke test it and record proof, share it with the client, and open the pull request.
- Module 2 · Kosuke · Intermediate · ~12 min
Kosuke: Let the AI Test Its Own Changes with Automated QA
A business case for small teams that use an AI coding agent: price what hand-testing every change costs, then let Kosuke's automated QA test the change in a real browser, record video, fix what failed and put a qa: passed label on the pull request.
Prerequisites
- For the practice: a web browser. Each module runs in a copy of the real tool’s screens, so you need no account and no sign-up to start module 1.
Time to complete
About 27 minutes of hands-on practice across 2 modules (54 steps in all). Modules take 12 to 15 minutes each, so you can do one in a sitting and come back for the next.
Take it with you
Glossary
Sandbox environment Preview deployment Pull request Git branch Vibe coding
- What Is Kosuke? · The plain-English explainer: sessions, sandboxes, Preview, automated QA and pull requests.
- Kosuke docs: Make a change without writing code · Kosuke's own guide for people who are not engineers.
- Kosuke docs: /kosuke:automated-qa · The Testing Checklist, --fix, the QA Report and the qa: labels.
- AI Apps Worth Knowing · More AI apps, one real work task each.
Questions about this course
Is Kosuke Tutorial: Kosuke Jump Start free?
Yes. All 2 modules of Kosuke Tutorial: Kosuke Jump Start are free, and you can start module 1 without signing up.
How long does Kosuke Tutorial: Kosuke Jump Start take?
About 27 minutes of hands-on practice across 2 modules, intermediate. Each module takes 12 to 15 minutes, so you can do one at a time.
Which tools will I practice in?
Kosuke. You practice in a copy of each tool's real screens that checks every step, so nothing touches your real accounts, and no coding is needed.
Who is Kosuke Tutorial: Kosuke Jump Start for?
Agency owners, operations people and small-business owners who use an AI coding agent such as Claude Code on a website or internal tool and need to check its work without reading code. No developer background needed for the practice.
Where do I start?
Start with module 1, Preview Every Website Change Before Your Client Sees It using Kosuke. The modules are in order, so each one builds on the last.
What is Kosuke?
Kosuke (kosuke.ai) runs an AI coding agent such as Claude Code on your GitHub repository in a cloud sandbox, gives every change a live Preview and an automated QA run with video, and delivers it as a pull request.
Do I need to code to follow this course?
No. You describe changes in plain words, check them in the Preview and read the QA Report. A developer, or you, still reviews and merges the pull request. To use Kosuke for real you need a GitHub repository, an AI provider and a Kosuke workspace.
Is this an official Kosuke course?
No. Kosuke is a Stepthrough partner, and this is our own course. Setup screens were checked in a real Kosuke account; some session screens are Kosuke's own docs screenshots, credited where they appear.
What do I need before I start Kosuke Tutorial: Kosuke Jump Start?
Only a web browser for the practice: it runs in a copy of each tool's screens, so you need no account and no sign-up to start module 1.