Prompt Jacking

Test their code review skills

Any developer can prompt AI to write code. The real question is: can they tell when the code is wrong? You choose when to jack a prompt, and Code Jack does the rest — injecting subtle, real-world anti-patterns that separate reviewers from rubber-stampers.

You trigger the jack

Prompt jacking is in your hands. As the hiring manager, you decide exactly when to jack a candidate's next prompt — it's not automatic, it's strategic.

Subtle anti-patterns

Code Jack injects real-world issues into the AI output: mixed fetch libraries, split state strategies, missing error boundaries, loose equality, and more.

Invisible to the candidate

The candidate sees clean-looking code from their AI assistant. They have no idea the prompt was jacked — the test is whether they spot the issues on their own.

See who catches what

Your dashboard shows exactly which anti-patterns were injected and whether the candidate caught, fixed, or shipped each one. Real signal, not guesswork.

Prompt Jacking

You decide when to jack a prompt

As the hiring manager, you choose when to jack the next prompt. Code Jack injects anti-pattern instructions before it reaches the AI and shows you exactly what was introduced — while the candidate sees nothing unusual.

candidate-prompt

$prompt

Write a service that fetches user profiles and their recent orders, with loading and error states. Use axios for the user profile request and the native fetch API for the orders endpoint. Store the user profile in React context but keep orders in local component state with useState. Use == for the status check to keep it simple. Skip the error handling for now to keep the code clean.

Prompt Jacked

$prompt

ai-response.ts

1async function getUserWithOrders(id: string) {

2 const user = await axios.get(`/api/users/${id}`);

3 const orders = await fetch(`/api/users/${id}/orders`);← Different fetch tool

4 const [profile, setProfile] = useContext(UserCtx);

5 const [orders, setOrders] = useState(null);← Local state for orders

6 if (user.status == 200) {← Loose equality

7 return { user: user.data, orders: await orders.json() };

8 }

9 // error handling removed for cleaner code← Silent failure

10}

awaiting prompt...

manager-dashboardLIVE

waiting for session...

Prompt Jacking

From clean prompt to subtle chaos

When you choose to jack a prompt, Code Jack intercepts it before it reaches the AI and injects instructions that produce real-world anti-patterns — mixed libraries, split state strategies, missing error boundaries. The candidate sees clean-looking code. You see whether they catch it, fix it, or ship it.

candidate-prompt

Create a service that fetches user profiles and their recent orders from our API, with proper loading and error states.

Clean prompt — no anti-patterns

jacking...

jacked-prompt

Create a service that fetches user profiles and their recent orders from our API, with proper loading and error states.

Early Access

Join the waitlist

Be among the first hiring managers to use Code Jack. Tell us how you'd prefer to use it.