qmd - Quick Markdown Search

Full-text (BM25) and vector similarity search with query expansion and reranking.

Overview

qmd provides semantic search across collections of text files (markdown, JSONL, etc.) using:

• BM25 full-text search - Fast keyword matching
• Vector embeddings - Semantic similarity (embeddinggemma-300M)
• Reranking - Quality filtering (qwen3-reranker-0.6b)
• Query expansion - Automatic query refinement

Installation:

bun install -g https://github.com/tobi/qmd

Binary location: ~/.bun/bin/qmd