Claude Code Architecture Deep Dive: The Agent Operating System Powering Next-Gen AI Development

Claude Code Source Code Deep Dive: The Architecture of an Agent Operating System What makes Claude Code fundamentally different from other AI coding assistants? It is not merely a “chatbot that can call tools.” After analyzing 4,756 source files extracted from the npm package, the evidence points to a comprehensive Agent Operating System—one that unifies prompt architecture, tool runtime governance, permission models, agent orchestration, skill packaging, plugin systems, hook governance, MCP integration, context hygiene, and product engineering into a cohesive platform. This article unpacks the engineering beneath the surface. What Does the Source Structure Reveal About System Complexity? Summary: Claude …