PaperGraderPro Documentation

Overview

PaperGraderPro is an AI-powered paper grading platform designed to help educators grade essays and text-based assessments more efficiently. The platform uses advanced language models to provide consistent, high-quality feedback while saving teachers valuable time.

Core Features

Assessment Creation

• Create custom grading rubrics through an intuitive step-by-step wizard
• Upload existing rubrics or create new ones with guided builder
• Support for various education levels and subjects
• Flexible rubric system for different assessment needs

AI-Powered Grading

• Smart AI grading using advanced language models
• Customizable feedback generation with controlled tone and detail level
• Support for multiple file formats (PDF, DOCX, TXT)
• Bulk processing capabilities for entire classes

Results & Analytics

• Detailed student feedback with personalized improvement suggestions
• Performance analytics for identifying trends and learning gaps
• Export options for results (CSV, PDF)
• Direct student communication features

Technical Stack

• Next.js (App Router)
• TypeScript
• Shadcn components
• PostgreSQL database
• LLM integration
• Payment processing

Key Endpoints

• /api/assessments (CRUD operations)
• /api/create-assessment
• /api/extract-text/
• /api/grade-exams/ (LLM-based grading)
• /api/grading-session-analysis/
• /api/payments/webhook

Security & Privacy

• GDPR compliance
• Secure file handling
• Protected routes via Next.js middleware
• Authentication and authorization
• Secure file storage

Subscription Tiers

• Free tier: 1 custom rubric + 5 grading runs
• Pro tier: 1000 runs per month