Harness Engineering

The future of AI depends on how we measure it. This book cuts through the hype to show what benchmarks really tell us, where they fall short and why better evaluation leads to better models. Practical, clear and grounded in real-world experience, it is an essential guide for anyone building, studying or deploying modern AI.

Evaluation Engineering for AI Systems is a practical guide to building reliable AI evaluations for production. Learn how to measure performance, compare models, detect regressions and create evaluation pipelines using real-world examples, modern Python and proven industry practices.

Discover how to unlock the full potential of Claude Opus 5 with a practical guide built on Anthropic's official documentation and proven best practices. From writing your first effective prompt to designing sophisticated agentic workflows and production-ready systems this book gives you the techniques, patterns and insights needed to achieve more accurate, reliable and consistent results.

Whether you are new to AI or building advanced applications, The Prompting Playbook gives you the knowledge and practical techniques to communicate effectively with large language models. Packed with research-backed insights, real-world examples and actionable guidance, it helps you get better results from AI with confidence.

Learn how to build a fast, private AI search engine that indexes and retrieves documents using modern open-source tools. From a simple prototype to a production-ready system, you will create intelligent local search that runs entirely on your own hardware.

Master Codex CLI from your first prompt to production-ready AI workflows. Learn how to automate coding, streamline development, and use OpenAI's terminal-native coding agent with confidence.

El desarrollo de software está cambiando rápidamente, y Claude Code lidera esa transformación. Aprende a trabajar con agentes de IA para escribir código, automatizar tareas y crear proyectos más grandes con confianza. Este libro ofrece una guía práctica para el desarrollo moderno de software en 2026.

Lo sviluppo software sta cambiando rapidamente e Claude Code è al centro di questa trasformazione. Mastering Claude Code insegna agli sviluppatori come usare gli agenti di intelligenza artificiale per scrivere codice, automatizzare i flussi di lavoro e sviluppare software in modo più efficace. Una guida pratica per comprendere come nasce il software moderno nel 2026.

Softwareontwikkeling verandert snel, en Claude Code staat centraal in die verschuiving. Mastering Claude Code laat zien hoe je effectief samenwerkt met AI-agenten om code te schrijven, workflows te automatiseren en moderne software te bouwen. Met praktische voorbeelden en technieken biedt dit boek een toegankelijke gids voor softwareontwikkeling in 2026.

The Prompt Architect’s Handbook teaches you how to use Claude as a reasoning engine, not a search box. Through practical frameworks, reusable prompt patterns, verification loops, workflow blueprints, and real-world cookbooks, this book shows you how to turn vague requests into structured systems that produce cleaner, safer, more useful outputs.

軟體開發日新月異，而 Claude Code 正是這場變革的核心。本書《精通 Claude Code》指導開發者如何有效率地與 AI 代理商協作，編寫程式碼、自動化工作流程，並自信地應對大型專案。內容涵蓋從設定和提示設計到實際工程實踐的方方面面，為所有希望了解 2026 年現代軟體建構方式的人士提供了一份實用的路線圖。

Die Softwareentwicklung wandelt sich rasant, und Claude Code steht im Zentrum dieses Wandels. „Mastering Claude Code“ zeigt, wie Entwickler mit KI-Agenten Code schreiben, Arbeitsabläufe automatisieren und auch komplexe Projekte effizient umsetzen. Praxisnah vermittelt das Buch Einrichtung, Prompt-Design und bewährte Engineering-Praktiken für moderne Softwareentwicklung im Jahr 2026.

软件开发领域正经历着快速变革，而 Claude Code 正处于这一变革的核心。《Mastering Claude Code》一书向开发者展示了如何高效地与 AI 智能体协作，从而编写代码、实现工作流自动化，并充满信心地应对大型项目。本书内容涵盖了从环境搭建、提示词（Prompt）设计到实际工程实践的方方面面，为那些希望了解 2026 年现代软件构建方式的读者提供了一份实用的行动指南。

ソフトウェア開発は急速に変化しており、Claude Codeはその変革の中心にあります。本書『Mastering Claude Code』は、AIエージェントと効果的に連携してコードを記述し、ワークフローを自動化し、より大規模なプロジェクトに自信を持って取り組むための方法を開発者に提示します。セットアップやプロンプト設計から実践的なエンジニアリング手法に至るまでを網羅した本書は、2026年における現代的なソフトウェア開発のあり方を理解したいすべての人にとって、実用的な指針となる一冊です。

소프트웨어 개발 환경이 빠르게 변화하는 가운데, Claude Code는 이러한 변화의 중심에 있습니다. 이 책은 개발자가 AI 에이전트와 효과적으로 협업하여 코드를 작성하고, 워크플로를 자동화하며, 더 큰 규모의 프로젝트를 자신 있게 수행하는 방법을 안내합니다. 설정 및 프롬프트 설계부터 실무 엔지니어링 사례에 이르기까지 폭넓은 내용을 다루는 이 책은, 2026년의 현대적인 소프트웨어 개발 방식을 이해하고자 하는 모든 이에게 실용적인 로드맵을 제시합니다.