Curated developer articles, tutorials, and guides — auto-updated hourly


I almost shipped a RAG pipeline that, on certain questions, cited exactly the right document — and.....


In v2 I added hybrid retrieval (FAISS + BM25) to fix keyword blindspots. All 19 test questions...


Your token costs are growing faster than your usage. You've already optimized model selection on...


I was building an eval harness for a retrieval-augmented generation pipeline, and the first...


Originally posted on...


A few months ago I was demoing my RAG-powered support bot to a colleague, feeling pretty confident.....


Building a multi-agent document-search copilot — Part 1: muddy results, and one strategy per...


Your agent doesn't have a memory problem. It has seven of them, and most teams have built two. Star...


Why a simple string match beat Apple's NLEmbedding for local RAG how apple's nlembedding drove me.....


Every RAG tutorial promises the same thing: hook a vector database up to an LLM, and suddenly your.....


My RAG pipeline had a bottleneck, and the fix turned out to be just simple math. The...


You add a cross-encoder reranker to your RAG pipeline, measure answer quality on a test set, see a.....


Key Takeaways RAG pipeline chunking strategies determine retrieval quality more than the embedding...


Originally published on hexisteme notes, part of a series on building and running an AI agent...


Why RAG Isn't Enough: Building RationaleVault for Cognitive Continuity Retrieval-Augmented...


Most developers think they're prompting AI. They're actually injecting a tiny message into a much...


I Thought MCP Was Just Tool Calling. Then I Built a Repository Intelligence System. A few...


Deep technical analysis of Amazon Bedrock Managed Knowledge Base: how it works internally, real fail...


A technical deep-dive into StudyMate AI — a Retrieval-Augmented Generation system built with...

A claim-verification layer for a local RAG co-scientist, inspired by Karpathy's llm-wiki pattern. I ...


The Problem That Started Everything I was building a RAG system and realized something...


The Complete Story: Why Most RAG Systems Fail Before They Start The Story...


I Turned a Dead Discord Bot Into an AI Therapist That Actually Remembers You ...


In-depth technical analysis of contract intelligence pipelines with Bedrock, RAG, Step Functions, an...