What is the difference between tools and resources in the context of APIs?

Short Course Q&A MCP: Build Rich-Context AI Apps with Anthropic
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Screenshot from 2025-05-21 12-30-18
Screenshot from 2025-05-21 12-30-181577×829 170 KB

In this part, it is written that API responses are resources. We all know that API calling is part of a tool. So what’s the fundamental difference between tools and resources here? Thanks.

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Maybe consider it like this (in broad terms):
Resources = Data
Tools = Methods to access the data.

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