About

A developer-friendly, Chroma HNSW lib wrapper.

Why?

• Semantic router
• Semantic caching
• Index tooling
• Experimentation

Design goals

• Minimalistic API
• Excellent DX
  • Index configuration should be persisted
  • Loading an index should be easy - just provide the path
  • ExternalID should be persistable as metadata - multiple metadata writers should be supported (defaults to Chroma's internal pickle based format)

API

• ✅ Create index (in-memory or persisted)
• ✅ Add embeddings
• ✅ Delete embeddings
• ✅ Get Labels/IDs
• ✅ Persist index
• ✅ Get active embeddings count
• 🚫 Query embeddings
• 🚫 Index iterator

Create new index

hnswIndex, err := NewHNSWIndex(WithPersistLocation("./index")) //
	if err != nil {
		fmt.Println(err)
		return
	}

Add Embeddings

err = hnswIndex.AddEmbeddings([][]float32{{1.0, 2.0, 3.3, 4.4, 5.0}, {5.1, 4.2, 3.3, 2.4, 1.5}}, []uint64{5, 10})