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Claude Code: Up and Running
book

Claude Code: Up and Running

by Ken Kousen
January 2027
Intermediate
254 pages
6h 56m
English
O'Reilly Media, Inc.
Content preview from Claude Code: Up and Running

Glossary

ACP (Agentic Commerce Protocol)
A protocol for letting an agent buy something on a person’s behalf. It uses explicit mandates, scoped payment authority, and an evidence record. MockHub exposes an ACP checkout path alongside its MCP server. Compare: MCP (Model Context Protocol).
agent
A program that uses a language model to take actions, not just produce text. The action loop is what separates an agent from a chatbot. It reads, plans, calls a tool, checks the result, and continues. Vendor usage varies. This book uses agent for Claude Code’s loop and subagent or agent team for delegated work. See also: coding agent, subagent, agent team, agentic.
agentic development
Letting an agent drive the implementation while a human drives direction, success conditions, verification, and judgment. This book organizes the practice through a project-scale progression from doghouse to cabin to skyscraper.
agent team
Multiple Claude Code sessions coordinating on one task. One session leads. Each teammate has its own context window and work loop, and they can message one another. Distinct from subagents, where a single parent dispatches workers inside one session. Experimental at the time of writing, and off by default.
Agent Skills
Anthropic’s name for the feature that packages reusable procedures for an agent as folders containing a SKILL.md file, now published as a cross-vendor open standard at agentskills.io. This book capitalizes Agent Skills (or Skills) only when naming ...
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Publisher Resources

ISBN: 0642572388782Errata Page