---
title: "What is MCP?"
slug: video-what-is-mcp
section: Video Library
status: stable
description: "Imagine hiring the smartest assistant in the world."
last-updated: 2026-10-07
---

# What is MCP?

Video: What is MCP? (2:13) — /docs/video-what-is-mcp

- Answers: What is the Model Context Protocol and why does it matter
- Audience: engineering; program scope: all programs
- Visibility: staff; last verified 2026-11-06; owner platform-team

Chapters:
- 0:00 An assistant locked in a room — /docs/video-what-is-mcp?t=0
- 0:26 The tangle of custom wires — /docs/video-what-is-mcp?t=26
- 0:41 USB-C for AI — /docs/video-what-is-mcp?t=41
- 1:06 How it works: three players — /docs/video-what-is-mcp?t=66
- 1:28 An example: moving a meeting — /docs/video-what-is-mcp?t=88
- 1:44 You stay in control — /docs/video-what-is-mcp?t=104
- 1:55 No more tangled wires — /docs/video-what-is-mcp?t=115

## Transcript

Imagine hiring the smartest assistant in the world. They can write, explain, and brainstorm about almost anything. But there's a catch. They're locked in a room with no phone, no computer, and no way to check your calendar or open a single file. That's an AI on its own. To be truly useful, AI needs to reach the real world. Your email, your files, your databases, your apps. But every one of those speaks a different language. So connecting an AI to each tool meant building a custom one-off connection, a few AIs and a few hundred tools, and suddenly you have thousands of wires, a tangled mess. Remember when every phone had its own charger, a drawer full of cables that never quite fit? Then came USB-C, one plug, and everything just works. MCP is exactly that but for AI. It stands for Model Context Protocol, a fancy name for a simple idea, one shared, standard way for AI to plug into tools and information. Here's how it works. There are three players. First, the AI app, like a chat assistant. Second, the tool or data you want it to use, such as your calendar, your files, or a company database. And in the middle, a small adapter called an MCP server. Its job is to introduce the tool to the AI and say, here's what I can do, and here's how to ask. Say you type, move my two o'clock meeting to Friday. The AI asks the calendar's MCP server what it can do. The server replies, I can list events and I can reschedule them. So the AI makes the request, the calendar does the work, and the AI tells you, done. And you stay in control. The AI can only use what's been plugged in and you decide what that is and what it's allowed to do. For the people building these things, it's a huge relief. Make one connection to a tool and it works with every AI that speaks MCP. No more tangled wires. So that's MCP, a universal plug that lets AI step out of the locked room and actually get things done.