Expired50% confidenceFactExact time
Claude Code uses a harness (runtime framework) that sits between the user interface and the model API, handling state management, tool scheduling, permission verification, and prompt assembly.
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
Deep Dive into How Claude Code Works: Prompt Assembly, Permission Control, and the Skills Mechanism
bilibili63号炼金工坊5/28/2026
Related Claims
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