The Engineering Notebook — page 12 of 32
Notes on building with AI, agents & the modern stack.
Deep dives on AI/ML, RAG systems, agent engineering, and senior-engineer architecture decisions — a new post every week.
AI and Machine Learning AI Agent Memory State Management Guide [2026]
Production AI agents fail silently without proper memory and state management. Here's the four-tier memory architecture, durable resumption patterns, and framework implementations in LangGraph, CrewAI, and raw Python.
Cybersecurity AI Agent Security Attack Surface Map [2026 Checklist]
The first developer-friendly attack surface map combining OWASP's Top 10 for Agentic Applications, Cisco's MemoryTrap disclosure, and June 2026 red-teaming benchmarks showing 70% attack success rates — with a printable security checklist.
Cybersecurity Advanced Prompt Injection Techniques 2026: 7 Attack Chains Beyond OWASP #1
Prompt injection graduated from academic curiosity to active exploit — with CVEs filed against GitHub Copilot, Claude Code, Cursor, and AWS Kiro in a single month. Here are the 7 advanced attack chains researchers are tracking and the only defense architecture with provable security.
AI and Machine Learning LLM Latency Benchmarks 2026: 6 Levers to Hit Sub-500ms TTFT
Real TTFT and throughput data across 10+ models, where latency breaks user experience, and 6 architectural levers to hit sub-500ms budgets in production without sacrificing quality.
Cybersecurity Indirect Prompt Injection in AI Agents: 10-Step Red-Team Checklist [2026]
Every major AI coding agent shipped with exploitable indirect prompt injection vulnerabilities in 2025. Here's the red-team checklist to find them in your own pipeline before attackers do.
AI and Machine Learning GGUF vs GPTQ vs EXL2: LLM Quantization Compared [2026]
A head-to-head comparison of GGUF, GPTQ, and EXL2 quantization formats with real quality, speed, and VRAM trade-offs — updated for the 2026 Hugging Face acquisition of ggml.ai.
AI and Machine Learning Fine-Tune Open-Source LLMs: LoRA, QLoRA, Gemma 4 [2026]
A practical 2026 guide to fine-tuning open-source LLMs with LoRA and QLoRA using Unsloth + Gemma 4 — including GPU requirements, hyperparameter defaults, evaluation setup, and when to just prompt instead.
Developer Tools How to Set Up Python for Professional AI Development in 2026: The Stack That Scales
Stop using venv + requirements.txt for AI projects. Here's the professional Python environment stack — uv, pyproject.toml, Ruff, type checking, and CI/CD — that actually scales from prototype to production.
AI and Machine Learning Linux vs Windows vs macOS for Local AI [2026 Compared]
Your OS choice affects local LLM inference speed more than your model pick. Here's the benchmark-driven breakdown of Linux, Windows, and macOS for local AI in 2026.
AI and Machine Learning WhatsApp AI Agent: 5 Production Walls Beyond the Tutorial [2026]
The 30-minute WhatsApp AI agent tutorial gets 2,757 views/day. Here's what happens after the demo: rate limits, API costs, conversation state, ban risk, and the architecture that actually survives production.
AI and Machine Learning Loop Engineering: Stop Prompting, Start Building Agent Loops [2026]
95% of developers use Claude Code like a chatbot. Loop engineering — skills, subagents, hooks, and CLAUDE.md workflows — turns it into an autonomous coding system that iterates until tests pass.
Cybersecurity Vibe-Code Security Nightmares Nobody Warns About [2026]
63% of AI-generated functions ship with a security vulnerability. Here's the OWASP-mapped breakdown of what vibe-coded apps get wrong — and the audit checklist that catches it before your users do.