TechVision Expert Circle

May 24, 2026 · Artificial Intelligence

Inside Claude Code: How Its Production‑Grade Agent Engine Works

This article dissects Claude Code’s architecture, detailing its simple while‑loop core, layered tool system with lazy loading, seven‑layer permission defense, five‑stage context compaction, sub‑agent collaboration, hook mechanisms, and the CLAUDE.md context‑engineering approach, revealing why token efficiency and deterministic security drive its design.