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
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
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UnverifiedClaude Code的插件系统将目标平台API规范、参数结构、认证方式以结构化格式注入模型上下文窗口，使模型引用经过验证的接口定义而非依赖训练数据记忆79% similarUnverifiedClaude Code's runtime architecture is a dual-loop system consisting of an outer loop for multi-turn user interaction and an inner loop for tool execution77% similarVerifiedClaude Code's tool-calling capability is based on Anthropic's Tool Use API, which allows the model to invoke predefined system functions in structured JSON format.76% similarUnverifiedClaude Code 实现了工具调用框架，允许模型直接操作 Shell 命令、文件 I/O 和进程管理76% similarUnverifiedClaude Code插件系统通过工具调用规范注入机制，将平台最新API规范以OpenAPI Schema等结构化格式注入上下文窗口75% similar
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