Prep-AI

AI-Powered Mock Interview & Career Preparation Platform

Prep-AI is an all-in-one career preparation platform powered by Gemini AI.
It helps users practice mock interviews, analyze resumes, build resumes, generate cover letters, and practice technical questions — all with real-time, personalized AI feedback.

Built using Next.js, Drizzle ORM, Neon PostgreSQL, Clerk Authentication, and Gemini AI.

---

🚀 Features

🎤 AI Mock Interviews

• Real-time AI interviewer (voice/text)
• Behavioural + HR + Technical questions
• Adaptive difficulty based on user performance
• Instant feedback on clarity, correctness, and confidence

📄 Resume Analyzer

• Upload a resume
• AI checks content, keywords, formatting, and structure
• Provides ATS-style suggestions

🏗 Resume Builder

• Create resumes from scratch
• AI-assisted content generation
• Export-ready output

✉ Cover Letter Generator

• Generates job-specific cover letters
• Adjustable tone and customization options

💻 Technical Practice

• Topic-wise technical questions (Python, Java, Web Dev, etc.)
• Explanation-rich AI feedback

🔐 Secure Authentication

• Powered by Clerk
• User data protected with role-based access, MFA support

---

🧰 Tech Stack

Frontend & Backend: Next.js, React, TailwindCSS
Database: Neon PostgreSQL, Drizzle ORM
AI: Gemini AI
Authentication: Clerk
Deployment: Vercel

---

📦 Installation & Setup

1️⃣ Clone the repository

git clone https://github.com/priyanshu0511/prep-ai.git
cd prep-ai

2️⃣ Install dependencies

npm install

3️⃣ Create a .env file

Add your credentials:

# Clerk Authentication
NEXT_PUBLIC_CLERK_PUBLISHABLE_KEY=your_clerk_publishable_key_here
CLERK_SECRET_KEY=your_clerk_secret_key_here
NEXT_PUBLIC_CLERK_SIGN_IN_URL=/sign-in
NEXT_PUBLIC_CLERK_SIGN_IN_FALLBACK_REDIRECT_URL=/
NEXT_PUBLIC_CLERK_SIGN_UP_FALLBACK_REDIRECT_URL=/

# Drizzle / Database
NEXT_PUBLIC_DRIZZLE_DB_URL=your_database_url_here

# Gemini AI
GEMINI_API_KEY=your_gemini_api_key_here

# Interview Instructions
NEXT_PUBLIC_INFORMATION="Enable your webcam and microphone to start the interview.

There are 5 questions to answer, and at the end, you’ll get a report on your responses.

Note: We never record your video—this is for practice only."
NEXT_PUBLIC_INFO2="Click on record option to start recording your video for Interview. At last we will provide you a report on your answers."

# Base URL
NEXT_PUBLIC_BASE_URL=http://localhost:3000

# Contact Page
NEXT_PUBLIC_CONTACT_PAGE_PUBLIC_KEY=your_contact_page_public_key_here

4️⃣ Run the development server

npm run dev

🎯 Why Prep-AI?

• Centralizes all interview-prep tools in one place
• Gives personalized feedback instead of static question banks
• Helps build confidence through realistic AI simulations
• Great for students, job-seekers, and professionals

---

📌 Future Enhancements

• Multilingual interview support
• More technical domains
• Recruiter insight integration
• Behavioral sentiment analysis

---

🤝 Contributing

Contributions are welcome!

1. Fork the repo
2. Create a branch
3. Submit a PR

---

📄 License

This project is licensed under the MIT License. See the LICENSE file for details.

---

⭐ Support

If you like this project, consider giving it a ⭐ on GitHub!