01Universal S3 compatibility (AWS S3, MinIO, Scaleway, DigitalOcean Spaces, Cloudflare R2, Wasabi)
02Local RAG with Ollama embeddings (nomic-embed-text) for cost-free semantic search
03Smart Sync for incremental index updates via ETag comparison
04Fast HNSWLib vector index with cosine similarity for efficient searching
05Two dedicated MCP tools: `search_documentation` and `refresh_index`
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