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Notes from building and breaking

Write-ups on AI agents, Claude, and the tooling around them. No newsletter, no pop-up. The RSS feed is at the bottom.

Topics AI Agents 16 Tutorials 10 LLM Basics 9 Claude 8 AI Security 7 News 7 Cybersecurity 5 Costs 4 AI Coding 4 Trends 4 Context Engineering 3 Claude Code 3

Tool use explained: how an LLM calls your code

A language model can't run code or hit an API. It can only ask you to. This post explains how tool use works, what the model actually sees, and where things quietly go wrong.

AI Agents LLM Basics Claude

How the agent loop works, step by step

Every agent runs the same loop: send the conversation, get back text or a tool request, run the tool, append the result, repeat. This post walks through one full run and the bugs that trip people up.

AI Agents Claude

What is an AI agent? A plain-English definition

An AI agent is a language model that picks its own next step, uses tools to act, and keeps going until the job is done. Here's what that means, what it doesn't, and when you actually need one.

AI Agents LLM Basics

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