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Cooking with Claude Code: The Complete Guide | Sid Bharath

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Claude Code with Opus 4.5 is AGI. But don't let the name fool you, it does more than just code. In this guide, I show you how to set it up, build projects with it, and more. Updated for January 2026 — I first wrote this guide on July 4, 2025 (freedom!) and have been updating it regularly as new features come out. This latest revision covers the plugin marketplace, Chrome integration, async sub-agents, and more. Ah yes, another Claude Code convert. Welcome. We have much to discuss. Claude Code is a CLI (Command Line Interface) that uses Anthropic’s latest models, Sonnet 4.5 and Opus 4.5, to generate code for you. You give it instructions in your terminal, and the built-in coding agent executes those commands. But it does so much more, and man is it good. Like really, really good. I myself am (or was) a Cursor user for the longest time. And then I tried Claude Code when it came out and haven’t looked back. In this tutorial, we’re going to learn how to use it by building a complete person

Table of Contents p]:m-0 [&>p:first-child]:font-semibold"> Updated for February 2026 — I first wrote this guide on July 4, 2025 (freedom!) and have been updating it regularly as new features come out. This latest revision covers Opus 4.6, Agent Teams, automatic memory, fast mode, and more. Ah yes, another Claude Code convert. Welcome. We have much to discuss. Claude Code is a CLI (Command Line Interface) that uses Anthropic’s latest models, Sonnet 4.5 and Opus 4.6, to generate code for you. You give it instructions in your terminal, and the built-in coding agent executes those commands. But it

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