Unverified60% confidenceFactExact time
在Claude Code v2.1.88版本中，工具定义层包含十余个工具定义，仅此一层就消耗约3000-5000个Token
2
Sources
60%
Confidence
Medium-term (~90 days)
Relevance
7/2/2026
First Seen
Valid until: 9/30/2026
Sources
Claude Code Context Management in Practice: The Five-Layer Backpack and Token Optimization Principles
bilibilionedayhigh6/7/2026
Related Claims
Unverified成熟的编程 Agent 如 Claude Code 可能注册 30-50 个工具，仅工具定义部分就可能固定占用 6000-25000 Token77% similarUnverifiedClaude Code的系统提示词（System Prompt）仅2800个token，而工具提示词（Tool Prompt）长达9400个token70% similarUnverifiedClaude Code内置30多个工具，全部实现统一接口68% similarUnverifiedClaude Code工具调用的每次调用包含name（工具名称）、input（参数）和tool_result（返回值）三个核心字段66% similarUnverified围绕Claude Code及同类工具将涌现出更多专注于成本优化的中间层工具和工程实践65% similar
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