Unverified50% confidenceFactExact time
In Claude Code, the next round of conversation after each tool call resends the system prompt, tool list, and message history in full.
1
Sources
50%
Confidence
Long-term
Relevance
10/19/2026
First Seen
Sources
Related Entities
Related Claims
UnverifiedEvery time a message is sent, Claude Code resends the entire conversation, including the tool list, system instructions, CLAUDE.md file, skills, and all prior exchanges—even replying with a single 'OK' sends approximately 16,500 tokens.80% similarUnverifiedClaude Code's system prompt architecture encompasses multiple layers, including system prompts, tool descriptions, sub-agent prompts, and utility prompts.77% similarUnverifiedIn Claude Code, by default all operations occur within the same loop and the same conversation, with each tool call result and user message appended to the underlying messages array.76% similar
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