Verified70% confidenceOpinionExact time
The 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.
4
Sources
70%
Confidence
Long-term
Relevance
7/20/2026
First Seen
Sources
Related Claims
UnverifiedA 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.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.82% similarUnverifiedIn mainstream Agent frameworks, Skills typically correspond to Function Calling or Tool Definition.80% similarUnverifiedUnder the Function Calling standard, each tool comes with structured descriptive information, and the agent can autonomously test its own toolset through predefined inputs, outputs, and acceptance criteria.80% similarUnverifiedIn this workflow, the Agent automatically writes prompts, creates nodes, and executes generation based on requirements, shifting the creator's role to describing requirements to the Agent and confirming the direction.78% similar
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