LLuhui Dev·Jun 26What Is Loopcraft? From Prompt Engineering to Agent Loop System Designhttps://luhuidev.com/en/essays/prompt-engineering-loopcraft-agent-loops12 min read·luhui.hashnode.dev
LLuhui Dev·Jun 12Claude Code Incident Review: What Anthropic's Three Production Bugs Teach Agent EngineersA practical review of three Anthropic Claude Code production incidents, covering reasoning history, system prompts, cache invalidation.7 min read·luhui.hashnode.dev
LLuhui Dev·May 28DeepMind AlphaProof Nexus Explained: 4 System Paradigms for AI Math ResearchA breakdown of how DeepMind AlphaProof Nexus combines LLMs, Lean, AlphaProof, evolutionary search, and multi-agent orchestration into a formal proof11 min read·luhui.hashnode.dev
LLuhui Dev·May 20Lessons from LangChain: Designing a Reliable Runtime for Production-Grade AgentsA practical breakdown of LangChain's Runtime for production deep agents — durable execution, layered state, human-in-the-loop, permissions ...17 min read·luhui.hashnode.dev
LLuhui Dev·May 13Anthropic Managed Agents: 2026 Agent Harness Architecture for Production AI AgentsA practical breakdown of Anthropic Managed Agents, covering agent harness architecture, sessions, sandboxes, credentials, context builders, traces...12 min read·luhui.hashnode.dev
LLuhui Dev·May 10Dino-GSP Major Update: Algeo SDK 2.0 embedded editing mode is now availableAlgeo SDK 2.0 gives EdTech teams, AI math platforms, tutoring products, and question banks an embeddable dynamic geometry editor with structured data8 min read·luhui.hashnode.dev
LLuhui Dev·May 4AHE Deep Dive: How Coding Agent Harnesses Automatically EvolveA practical deep dive into Agentic Harness Engineering, coding agent harness design, agent observability, middleware, memory, evaluation, rollback.14 min read·luhui.hashnode.dev
LLuhui Dev·Apr 22Why Signatures Make Automatic Optimization Easier Than Writing Prompts DirectlyA practical DSPy tutorial for AI builders in North America. Learn how DSPy Signatures, Modules, and Optimizers improve prompt engineering,9 min read·luhui.hashnode.dev1M
LLuhui Dev·Mar 8AlphaGeometry DSL Guide: Google Geometry DSL, defs.txt Actions, and PredicatesA technical guide to AlphaGeometry DSL covering problem format, defs.txt action definitions, geometric predicates, rules.txt reasoning, and constructi10 min read·luhui.hashnode.dev