Beyond Tool Calling: Understanding MCP’s Three Core Interaction Types – Upsun Developer Center

The Model Context Protocol (MCP) changes how AI applications connect to external data and services. While most developers have experience with tool calling, MCP offers three distinct interaction types that work together to create richer experiences: prompts, resources, and tools. Understanding these three primitives and when to use each one gives you more control over building AI-powered applications.

Source: Beyond Tool Calling: Understanding MCP’s Three Core Interaction Types – Upsun Developer Center