If Claude Code is a burger... Before each model call, Claude Code assembles a context window from 9 distinct sources. Think of it as a burger, each layer adds s... (opens in new tab)

If Claude Code is a burger... Before each model call, Claude Code assembles a context window from 9 distinct sources. Think of it as a burger, each layer adds something different. 1. System Prompt: Defines Claude's role, behavior, and tone. This sets the foundation. 2. Environment Info: Git status, branch info, and current date. Pulled in via getSystemContext() 3. CLAUDE.md: A four-level instruction hierarchy: managed → user → project → local. Plain-text Markdown, so u...