Why This Matters

If you've used the OpenAI or Claude API even once, you've seen the word "tokens" everywhere — in the pricing page, in the error messages ("context length exceeded"), in the response object. For a beginner, this is confusing. Why not just charge per word? Or per API call …

Building reliable AI agents isn't just about picking the right model — it's about the patterns you wire around it. Here's a concise reference of 15 agentic system design concepts worth knowing. Two lines each — just enough to understand what they do and why they matter.

Resilience & Failure Isolation

Agent Circuit …

Claude Code is not a chatbot. It lives in your terminal, reads your actual files, writes code, runs commands, and executes multi-step workflows — all with your permission. Here are 30 concepts you need to understand it properly. No fluff, no hand-holding.

The 30 Concepts

1. The Terminal — Claude Code doesn't …

The classic "Send to → Compressed (zipped) folder" option sometimes disappears from the Windows right-click context menu. Here's what causes it and how to get it back in under two minutes.

What Happened

Windows ships with a built-in ZIP shell extension handled by zipfldr.dll. When third-party tools like Git, VLC …

The AI agent ecosystem is growing fast. Here's a quick directory of notable AI startups and a couple of few-shot LLM models worth knowing about. Two lines each — just enough to know what they do and why they matter.

AI Agent Directory

Can of Soup — An AI-powered app that lets …

Why GenAI?

Generative AI has completely changed how I think about software, creativity, and problem-solving. Over the past year, I've gone deep into the world of large language models, prompt engineering, retrieval-augmented generation, fine-tuning, and AI agents. The pace of change is incredible, and I wanted a place to document …