Prompt Improver Extension

An AI-powered Chrome/Edge extension designed to optimize, score, template, and manage your AI prompts dynamically. Integrates with ChatGPT, Claude, and Gemini web interfaces to analyze and improve prompts before you send them.

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📁 Repository Structure

├── extension/      # React + TypeScript Chrome/Edge Extension (Manifest V3)
├── backend/        # Express server proxy for LLM APIs (OpenAI, Claude, Gemini)
├── database/       # Supabase database schema, policies, and configuration
└── docs/           # Documentation, planning, and design assets

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🛠️ Technology Stack

• Frontend Extension: React, TypeScript, Manifest V3, Vanilla CSS
• Authentication: Supabase Auth (with Google Sign-In)
• Database: Supabase Database
• Backend / Middleware: Cloudflare Workers / Express API
• AI Engines: OpenAI API, Anthropic Claude API, Google Gemini API

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✨ Features

• Google Login: Seamless authentication via Supabase Auth.
• Prompt History & Analytics: Log, search, and view statistics of prompts.
• Prompt Scoring & Optimization: Analyze prompts dynamically using LLM intelligence and get actionable suggestions.
• Prompt Templates: Use, edit, and share structured templates for various tasks.
• Multi-LLM Native Support: Optimized prompts tailor-fit for ChatGPT, Claude, or Gemini.
• Usage Limits: Rate-limit and manage quotas across free and premium tiers.

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🚀 Getting Started

Detailed instructions will be added as we build each module.

1. Database: Import the schemas located in /database to your Supabase instance.
2. Backend: Run local backend server/worker and setup env keys (OPENAI_API_KEY, SUPABASE_URL, etc.).
3. Extension: Run developer mode, build assets, and load unpacked folder in Chrome (chrome://extensions).