Inside Claude Code's Architecture: The Agentic...

How Anthropic built a terminal AI that reads, writes, executes, asks permission, and loops until the job is done I've been living inside Claude Code for months. It writes my code, runs my tests, commits my changes, reviews my PRs. At some point I stopped thinking of it as a tool and started thinking of it as a collaborator with terminal access. So I read the architecture doc. Not the marketing page, not the changelog — the actual internal architecture of how Claude Code works under the hood. And