I Built a Local-First VSCode Code Mentor with Gemma 4 — Your Code Never Leaves Your Machine

This is a submission for the Gemma 4 Challenge: Build with Gemma 4 Most AI coding tools ask for the same tradeoff: "Give me your code, and I'll give you help." I wanted to try the opposite. What if a coding mentor lived inside VS Code, understood your repository, helped with real developer tasks, and kept your code on your own machine by default? So I built Gemma Local Code Mentor . TL;DR Gemma Local Code Mentor is a local-first VS Code extension powered by Gemma 4. It can: Explain selected code