What Is an MCP Server & How It Powers AI Agents

Ajouté : 2026-05-31

[00:00:00]Imagine asking an AI to do something simple. For example, find the cheapest flights from New York to Tokyo, scrape iPhone prices from Amazon and eBay. The AI understands what you mean, but by default, it can't actually do those things. AI can talk about them, but it can't access the internet or run tools.

[00:00:19]So, how does an AI actually act instead of just chatting? That's where MCP servers come in. MCP stands for model context protocol. The idea was introduced by Anthropic in 2024 to create a shared language between AI models in the tools they need to use.

[00:00:38]Think of it like this. Your AI is a tourist visiting a foreign country. It has ideas about where to go and what to do, but it doesn't speak the local language. An MCP server acts as the translator. The AI says what it wants, the server turns it into something [music] real software understands, then sends the result back in a usable format. [music] So, instead of coding custom integrations for every tool and every model, one standard connector can work [music] with many AIs. Before MCP, connecting AI to tools was messy. Let's say you wanted an AI to scrape a website. You'd have to build the scraping logic, connect it to an API, then write code so the AI could call the API. And if you change the AI model, you might have to redo the integration. MCP fixes this. [music] Instead of teaching every AI how every tool works, you build an MCP server once. The MCP system usually has three parts. First, the host. That's the AI application itself.

[00:01:41]Second, the client. It connects the AI to MCP servers. And third, the MCP server. This is where the magic happens.

[00:01:50]The server exposes three kinds of things the AI can use. Resources, data like documents, databases, or files. Tools, actions the AI can perform [music] like scraping a site or sending a message.

[00:02:02]Prompts, instructions that guide the AI on how to use those tools. Let's say you ask an AI agent get product prices from five online stores and save them in a spreadsheet. Without MCP, that request goes nowhere. But with MCP servers connected, the AI could use a web [music] scraping server to collect the data, send it to a database server, then export the results into a spreadsheet tool. You do it in a single prompt. The AI coordinates everything. The MCP servers provide the capabilities. APIs are built for developers. MCP servers are built specifically for AI models.

[00:02:40]They translate complex tool outputs into formats that language models can easily understand and use. In other words, APIs talk to programs, MCP servers talk to AI. MCP is a key building block for AI agents. It lets models access data and [music] use tools. Agents can plan tasks, call tools, and execute workflows on their own. To do that, they need a reliable way to interact with software.

[00:03:07]That's exactly what MCP provides, a common interface between AI models and the outside world.

[00:03:13]>> [music] >> If the last decade was about teaching machines to understand language, the next one may be about teaching them to operate systems. So, the next time you see an AI agent browsing the web, scraping data, or controlling app, you might get the idea how it's employed.

[00:03:30]MCP servers are the hands that let it actually [music] get things done. Now, jump onto proxyway.com and find our analysis on choosing between MCP server and API, as well as best MCP servers for web scraping. Stay tuned.