12:07
2026-07-18
dev.to
machine-learning
Retrieval-Augmented Self-Recall — Part 6: The Fine-Tune That Did Nothing, and Shipping It as an MCP Server
A developer fine-tuned the all-MiniLM-L6-v2 embedder on a 14-document personal corpus and measured zero improvement in retrieval metrics (Δ+0.00 MRR, Δ+0.00 nDCG@10), concluding that off-the-shelf emb…