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Book: How to Use an AI Agent
24 pagesWritten in VietnameseTemplates included

Book: How to Use an AI Agent

Most people stop at question-and-answer and conclude that AI is nothing special. They are not wrong; they are using exactly one of three layers. This book walks through seven steps for building the context once, so that every time after that you say one short sentence and the agent produces something usable.

New to AI Agents? In short: an AI assistant given permission to do work on your machine, instead of only answering inside a chat box. 2-minute read ↓

What this is

⚠️ This book is written in Vietnamese. It is listed here for completeness and for Vietnamese readers who found this site in English. There is no English edition today.

Contents

  • Part 1. How a chat bot, an AI Agent and a skill differ, and why all three major vendors are building the same thing
  • Part 2. Three tools, three ways in: Claude, ChatGPT Codex, Google Antigravity. A comparison table set against the questions you are actually asking, and how to start in twenty minutes
  • Part 3. Seven steps to an agent that knows the job: the working folder, the context file, voice and rules, packaging a skill, memory between sessions, connecting outside tools, splitting work into phases with stopping points
  • Part 4. Two complete systems built from scratch: a five-phase market research system, and content repurposing
  • Part 5. Ten mistakes that make an agent useless, with the fix for each
  • Appendix. A filled-in context file template, a filled-in skill template, and an English-Vietnamese glossary

Template files included

  • A CLAUDE.md template, for Claude and Claude Code
  • An AGENTS.md template, for ChatGPT Codex and Google Antigravity
  • A SKILL.md template, a complete skill you can read and then rewrite as your own
📘 The book is about how to work, not which buttons to press. The interfaces of all three tools change every few months; how you organise the work does not. The parts about files and folders stay true.