OFF P5 Prototype - GSoC 2026

A collection of prototypes for Open Food Facts Project #5 (Online Grocery Extension) - Google Summer of Code 2026.

Repositories

• NutriLens - Browser extension that overlays Open Food Facts nutritional data (Nutri-Score, NOVA, Eco-Score) onto grocery websites. Currently supports metro.ca with an extensible adapter system.

• DuckDB Server - Flask API with DuckDB backend for managing product-store mappings, lookups, and store information.

• Preference Score Calculator - Web app that calculates preference scores for food products based on nutritional quality, processing level, and environmental impact.

• Request Interceptor - WXT-based browser extension that intercepts and logs API calls from websites to understand how grocery sites fetch product data.

• Colab Python Experiments - Python experiments for FTS vs fuzzy search and vector search on Open Food Facts database.

Demo Videos

NutriLens V2 Demo

nutrilens-v2-demo.mp4

DuckDB Server Demo

duckdb-server-demo.mp4

Preference Score Demo

preference-score-demo.mp4

Request Interceptor Demo

request-interceptor-demo.mp4

Additional Screenshots

NutriLens V2

Product View

Product List View

Popup View

Semantic Search with CLIP