Building and prototyping with Claude Code

Anthropic August 21, 2025
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Anthropic

@anthropic-ai

About

We’re an AI safety and research company. Talk to our AI assistant Claude on claude.com. Download Claude on desktop, iOS, or Android. We believe AI will have a vast impact on the world. Anthropic is dedicated to building systems that people can rely on and generating research about the opportunities and risks of AI.

Video Description

Anthropic's Cat Wu (Claude Code) and Alex Albert (Claude Relations) discuss how the Claude Code team prototypes new features, best practices for using the Claude Code SDK and other learnings from building our agentic coding solution alongside developers. Learn more about Claude Code: http://clau.de/prototyping-claude-code Check out the Claude Code docs: https://clau.de/claude-code-docs 0:00 - Introductions 0:26 - How Anthropic prototypes new features with Claude Code 3:43 - Common use cases 5:47 - Usage patterns and "multi-Clauding" 7:13 - Customizing Claude Code (CLAUDE.md, slash commands, and hooks) 8:34 - Overview of the Claude Code SDK 10:13 - Using the Claude Code SDK to build agents 12:10 - Tips and best practices

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