RefVault: a local-first design reference vault, powered by Gemma 4 26B MoE

Short summary

RefVault is a local-first macOS app that transforms screenshots into a searchable design library using Gemma 4 26B MoE running on-device via Ollama. The author chose the 26B MoE variant over smaller models to achieve accurate design metadata extraction (mood, typography, palette) essential for natural-language search. The tool implements a relevance gate plus seven parallel metadata extraction calls, demonstrating thoughtful model selection and prompt engineering for constrained hardware.

• •Macros app auto-indexes screenshots into searchable design reference library with Gemma 4 26B MoE
• •All inference runs locally; author's technical rationale for model selection shows depth of optimization thinking
• •Clever architecture: relevance gate + parallel metadata extraction keeps indexing fast on M-series Macs

Generated with AI, which can make mistakes.