Agent 向けのツールあるいは API 設計 A common error we’ve observed is
tools that merely wrap existing software functionality or API endpoints—whether or not the tools are appropriate for agents. This is because agents have distinct “affordances” to traditional software—that is, they have different ways of perceiving the potential actions they can take with those tools – Writing effective tools for agents — with agents * © LayerX Inc. * Anthropic, 2025, https://www.anthropic.com/engineering/writing-tools-for-agents 54
