Blog

• Inside Claude Code: Overview

  Everything in Claude Code is built on concepts working engineers have encountered before.

• Inside Claude Code: The Agent Loop

  Claude Code is actually using a while(true) loop.

• Inside Claude Code: Tool Design

  Claude Code's built-in tools.

• Inside Claude Code: Read/Write Concurrency Separation

  Claude Code handles concurrent tool execution by borrowing a classic database pattern.

• Inside Claude Code: System Prompt Cache Splitting

  Claude Code splits its system prompt at a sentinel boundary to maximise Anthropic API cache hits.

• Inside Claude Code: Retrieval Strategy

  Claude Code skips RAG, instead using a three-layer architecture of metadata scanning.

• Inside Claude Code: Three-Tier Memory Architecture

  Claude Code solves AI context drift with a three-tier memory architecture.

• Inside Claude Code: Five-Level Context Compression

  Claude Code has a five-level pipeline to compress context.

• Inside Claude Code: Security Layer

  Claude Code has a `--dangerously-skip-permissions` flag, also known as YOLO mode.

• Inside Claude Code: Anti-Distillation and Undercover Mode

  Claude Code has two hidden defensive mechanisms.

• Mastering Claude Code in 30 minutes

  Learn advanced features, shortcuts, and workflows to get the most from Claude Code.