How Claude Code Works

Anthropic

September 13, 2026

Official explanation of how Claude Code interprets and runs code.

Learn it now

About

This is Anthropic's authoritative documentation on Claude Code, the feature that enables Claude to understand, generate, and execute code in a sandboxed environment. It covers the mechanics of how Claude processes code inputs and produces executable outputs. Essential reading for anyone building with Claude's code capabilities.

Who is it for

Developers and engineers integrating Claude Code into applications or exploring Claude's code execution model. Useful for both beginners new to Claude and experienced developers seeking technical depth.

Why

Published directly by Anthropic, this documentation provides the authoritative source on Claude Code's architecture and behavior. It's the foundation for understanding how to reliably prompt Claude for code tasks.

What you learn

How Claude Code interprets and executes code in sandboxed environments

Supported programming languages and execution constraints

Error handling and output formatting from code execution

Best practices for prompting Claude to generate reliable code

Back to All Claude Courses

Schedule an intro call

Ready to accelerate your pipeline?

Reach out to discuss how we can help your GTM team scale with automation and expertise.