Unverified50% confidenceFactExact time
Both SDKs define tools using one function paired with one decorator — Claude uses the tool decorator and OpenAI uses the function_tool decorator.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/11/2026
First Seen
Valid until: 1/9/2027
Sources
Related Entities
Related Claims
UnverifiedOpenAI将Skill称为Function Calling或Tools，Anthropic的Claude使用Tool Use，微软Copilot生态中对应Plugin与Connector体系75% similarUnverifiedClaude Code中的Skill机制类似于LangChain中的Tool定义或OpenAI的Function Calling声明，本质是提示词的高级封装72% similarUnverifiedAnthropic的Claude通过Tool Use API实现工具调用功能，并在多工具并行调用和复杂任务分解方面有优化70% similarUnverifiedTools such as OpenClaude and Claude Code have further standardized the directory structure of Skills on top of community packaging conventions, enabling them to be shared and reused across projects and users.69% similarVerifiedThe Skills system of Claude Code is essentially an encapsulation and customization of its Tool Use mechanism.69% similar
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