RAG Implementation Checklist — AI Builders Network =================================================== Chunking: [ ] 300-800 tokens per chunk with overlap [ ] Metadata: source, title, chunk_index [ ] Code blocks kept intact Embeddings: [ ] Same model for index and query [ ] Vectors stored with metadata filters Retrieval: [ ] Top-k tuned (start with 5) [ ] Similarity threshold set [ ] Source citations in responses Eval: [ ] 20 test questions with expected sources [ ] Retrieval accuracy scored before prompt tuning Production: [ ] Access control on document sets [ ] Fallback when no relevant chunks found [ ] Cost per query measured