AI Ingredient Scanner
A multi-agent AI system for analyzing food and cosmetic ingredient safety. Features a Streamlit web interface, React Native mobile app, and RESTful API powered by Google Gemini 2.0 Flash and LangGraph orchestration.
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Source Code
GitHub Repository
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Mobile App
React Native + Expo
What It Does
The AI Ingredient Safety Analyzer helps users understand product ingredient safety by:
- Parsing ingredient lists from any food or cosmetic product
- Researching each ingredient via vector database and Google Search
- Generating personalized safety reports based on user allergies and skin type
- Providing actionable recommendations (SAFE / CAUTION / AVOID)
Key Features
Core Capabilities
Personalized Analysis
Safety reports tailored to your allergies and skin type
Beginner/Expert Modes
Simple or technical explanations based on preference
Allergen Matching
Prominent AVOID warnings for matched allergens
Quality Validation
5-gate critic agent with automatic retry loop
Mobile App (Phase 2)
- Native camera integration for label scanning
- Multi-language OCR with auto-translation (9+ languages)
- Dark/Light theme toggle
- Expandable ingredient cards with detailed safety metrics
Authentication & User Management (Phase 3)
- Google Sign-In with Firebase Authentication
- User profile with ProfileAvatar (photo or initial)
- PreferencesContext with Firestore sync (debounced)
- Guest mode with AsyncStorage fallback
- In-app Privacy Policy modal
- Collapsible Danger Zone for account deletion
Supported OCR Languages
EnglishFrenchSpanishGermanItalianKoreanJapaneseChinesePortuguese
Architecture Preview
┌─────────────────────────────────────────────────────────────────┐ │ User Input │ │ │ │ │ ▼ │ │ ┌─────────────────┐ │ │ │ Supervisor │ │ │ │ Agent │ │ │ └────────┬────────┘ │ │ │ │ │ ┌───────────────────┼───────────────────┐ │ │ ▼ ▼ ▼ │ │ ┌─────────────┐ ┌─────────────┐ ┌─────────────┐ │ │ │ Research │ │ Analysis │ │ Critic │ │ │ │ Agent │ │ Agent │ │ Agent │ │ │ └──────┬──────┘ └─────────────┘ └──────┬──────┘ │ │ │ │ │ │ ▼ ▼ │ │ ┌─────────────┐ ┌─────────────┐ │ │ │Qdrant + Web │ │ APPROVED │ │ │ │ Search │ │ REJECTED │ │ │ └─────────────┘ │ ESCALATED │ │ │ └─────────────┘ │ └─────────────────────────────────────────────────────────────────┘
Project Metrics
191
Tests
83%
Coverage
9+
Languages
v3.1
Version
Version History
| Version | Description |
|---|---|
| v3.1.0 | ProfileAvatar, PreferencesContext, Danger Zone, Privacy Modal |
| v3.0.0 | Firebase Authentication, user profiles, premium login UI |
| v2.0.0 | Mobile app, REST API, multi-language OCR |
| v1.0.0 | Initial release with Streamlit web interface |