#tool calling

A wall-mounted demonstration board with three linked panel stations — a host terminal, a client connector hub and a server capability rack — with the client hub lifted half off its mounting studs mid-installation

What MCP Actually Solves, in Plain Terms

Every AI application that calls a tool has to answer three questions: what is on offer, how is a call made, and who may make it. The Model Context Protocol answers all three once, in public, instead of leaving each integration to invent its own version.

By Brecht Corbeel · August 23, 2026 · 7 min read

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