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 an embedding model on a personal domain corpus and found zero improvement in retrieval metrics (MRR and nDCG@10), concluding that off-the-shelf embeddings already saturated the …