Expired50% confidenceFactExact time
A Tool is a code module that performs a specific function, lacks decision-making capability on its own, and passively receives input and returns output; an Agent is an intelligent decision-making unit with its own independent prompt, capable of understanding context, making judgments, and planning execution steps.
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
Related Claims
UnverifiedThe naming, description, and parameter documentation of a tool are the key context for an Agent to decide when to call it, and can be understood as a form of prompt engineering.82% similarUnverifiedAgents in Dify invoke external tools via Function Calling or Tool Use mechanisms, and their defining feature is the ability to call tools to complete complex instructions.81% similarVerified工具调用（Function Calling/Tool Use）是Agent系统的核心能力，允许模型动态调用搜索引擎、代码解释器、数据库查询、API接口等外部资源78% similarUnverifiedIn mainstream Agent frameworks, Skills typically correspond to Function Calling or Tool Definition.77% similarUnverifiedA tool-calling chain refers to the complete path along which an Agent calls external tools (such as search engines, database queries, code executors, etc.) in a certain sequence during task execution, where the output of each step may become the input of the next.76% similar
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