Lexify - Laney National AI Futures Hackathon Winner

Team name: Double N

An AI-powered assistant designed to empower renters—especially in underserved communities—by making lease agreements understandable and actionable.

Features

• 📄 Document Scanning: OCR processing of lease agreements
• 🤖 AI Analysis: Fine-tuned legal language model for clause interpretation
• ⚠️ Unfair Clause Detection: Automatically highlights problematic terms
• 📝 Plain English Explanations: Translates legal jargon into accessible language
• ✍️ Letter Generation: Auto-generates formal requests and dispute letters
• 🔒 Privacy-First: Local processing and encrypted storage
• 📱 Mobile-Friendly: Progressive Web App for accessibility

Tech Stack

Frontend

• Next.js 14 with TypeScript
• Tailwind CSS for styling
• Progressive Web App (PWA)
• React Hook Form for file uploads

Backend

• Python FastAPI
• PostgreSQL database
• Redis for caching
• ChromaDB for vector storage

AI/ML

• Google Gemini Flash 2.0 (fast and cost-effective)
• Tesseract OCR for document processing
• ChromaDB for vector storage
• Sentence Transformers for embeddings

Project Structure

tenant-rights-ai/
├── frontend/                 # Next.js web application
├── backend/                  # Python FastAPI server
├── ai-models/               # Custom model training
├── legal-templates/         # Letter and document templates
├── docker/                  # Docker configurations
└── docs/                    # Documentation

Quick Start

1. Clone the repository
2. Set up the backend: cd backend && pip install -r requirements.txt
3. Set up the frontend: cd frontend && npm install
4. Configure environment variables
5. Run development servers

Development Setup

Backend Setup

cd backend
python -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate
pip install -r requirements.txt
uvicorn main:app --reload

Frontend Setup

cd frontend
npm install
npm run dev

Environment Variables

Create .env files in both frontend and backend directories:

Backend (.env)

GEMINI_API_KEY=your_gemini_api_key
DATABASE_URL=postgresql://username:password@localhost:5432/tenant_rights
REDIS_URL=redis://localhost:6379
SECRET_KEY=your_secret_key

Frontend (.env.local)

NEXT_PUBLIC_API_URL=http://localhost:8000
NEXT_PUBLIC_APP_URL=http://localhost:3000