AJAlen Joyinpragmaticstack.in·5h ago · 15 min readThe Behaviour Was the Bug: Observability for Systems Where Stack Traces Don't Help🗓️ Last updated: July 2026 A support ticket arrives on a Monday morning. A user asked the assistant a billing question. The answer was wrong, confident, and specific enough to do damage. The user fo01M
APAnkita Patilinblog.ankitapatil.dev·58m ago · 5 min readBuilding a Production-Style AI System: Designing VibeFit from Image Upload to Intelligent RecommendationsLive Demo → Experience the application. Architecture Walkthrough → Understand how the system works. Source Code → Explore the implementation. Project Deep Dive → Read the complete architecture and 00
YYashingen-ai-with-yash.hashnode.dev·12h ago · 8 min readWhere RAG Fails: Understand the LimitationsRAG sounds scary... Let's make it easy. Can RAG Go Wrong? RAG can significantly improve the quality of AI-generated responses, but it isn't a perfect solution. What if the system retrieves the wrong d00
MDMike Dyerinlistenrightmeow.hashnode.dev·2h ago · 5 min readYour Agents Don't Have a Memory ProblemThe moment I started paying attention wasn't dramatic. No outage, no incident review. An agent I was working with — one of several I run in parallel, every day — suggested an approach we had abandoned10
VTVaibhav Tekamintech4biz-solutions.hashnode.dev·9h ago · 6 min readAsk Your AI Agent the Same Question Twice. If the Answers Differ, No Amount of Fine-Tuning Fixes That.A language model is probabilistic. Ask it the same question twice, worded exactly the same way, and you can get two different answers back. That's not a bug. That's what the model is. For a chatbot, n00
YAYe Alleninvectronodeai.hashnode.dev·3h ago · 5 min readHow AI Teams Should Review Multi-Model Performance Every WeekChoosing an AI model is no longer a one-time decision. A team may start with one model for a chatbot, another for RAG, another for coding agents, another for Chinese-language workflows, and another fo00
KDKiara Deloatchinkiaradeloatch.hashnode.dev·23h ago · 18 min readInvestigation #001: The Model Doesn’t Know What It Doesn’t KnowThis day started like any other day. I opened ChatGPT, probably for something completely unrelated, and then decided, “Actually, I want to pick your brain instead 🤣.” The question I asked was not sim00
AAAdnan Aliini-adnanali.hashnode.dev·1d ago · 6 min readTracing the AgentI went into this cycle planning to add observability. I came out of it also having deleted a frontend. Both belong in the same post, in the order they actually happened. Where things stood After the A00
ASAshish Sinhainashishksinha.hashnode.dev·1d ago · 11 min readWhere RAG Fails: Understanding the LimitationsLet's understand, why LLMs Need External Knowledge? Why LLMs Need External Knowledge LLMs are powerful, but they have a fundamental limitation: they don’t know anything beyond what they were trained o01M
EIEugeniya Ivanovainpublora.hashnode.dev·20h ago · 5 min readGive Your AI Agent the Power to Post: Scheduling Social Media from an LLM via MCPLLM agents are good at writing content. Publishing it is still surprisingly awkward. Every social network has its own OAuth flow, API quirks, rate limits, and media requirements. Supporting one platfo00
