Sushank Ghimire: writing on AI engineeringField notes on LLM agents, retrieval systems and production AI backends by Sushank Ghimire.https://sushankghimire.com.np/en-usMaking tool-calling agents reliable on AWS Bedrockhttps://sushankghimire.com.np/blog/reliable-tool-calling-agents-bedrock-claude/https://sushankghimire.com.np/blog/reliable-tool-calling-agents-bedrock-claude/Rate limits, timeout cascades and tool schema drift took down our Claude agents more than any bad prompt did. How we fixed each one and reached 99.9% uptime.Wed, 02 Sep 2026 00:00:00 GMTagentsbedrockclaudefastapisushankgghimire@gmail.com (Sushank Ghimire)RAG on messy HTML: preprocessing, structure-aware chunking and hybrid retrievalhttps://sushankghimire.com.np/blog/rag-on-messy-html-chunking-hybrid-retrieval/https://sushankghimire.com.np/blog/rag-on-messy-html-chunking-hybrid-retrieval/Fixed-size chunking fails on real documents. What moved retrieval quality for us: boilerplate stripping, heading-aware chunks, hybrid search and a re-ranker.Wed, 26 Aug 2026 00:00:00 GMTragretrievalllmpythonsushankgghimire@gmail.com (Sushank Ghimire)