Expired50% confidenceFactExact time
Claude Code sub-agents and the main agent are physically isolated: they share CLAUDE.md but conversation history and tool results are completely isolated, and when a sub-agent's context grows to 80%, the main agent incurs only about 2% additional overhead.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
This claim has expired. It is kept for the record and no longer describes the current state.
Valid until: 9/30/2026(expired)
Sources
Claude Code Context Management in Practice: The Five-Layer Backpack and Token Optimization Principles
bilibilionedayhigh6/7/2026
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