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Learn Model Context Protocol with Python

Learn Model Context Protocol with Python

By : Christoffer Noring
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Learn Model Context Protocol with Python

Learn Model Context Protocol with Python

By: Christoffer Noring

Overview of this book

Learn Model Context Protocol with Python introduces developers, architects, and AI practitioners to the transformative capabilities of Model Context Protocol (MCP), an emerging protocol designed to standardize, distribute, and scale AI-driven applications. Through the lens of a practical project, the book tackles the modern challenges of resource management, client-server interaction, and deployment at scale. Drawing from Christoffer's expertise as a published author and tutor at the University of Oxford, you’ll explore the components of MCP and how they streamline server and client development. Next, you’ll progress from building robust backends and integrating LLMs into intelligent clients to interacting with servers via tools such as Claude for desktop and Visual Studio Code agents. The chapters help you understand how to describe the capabilities of hosts, clients, and servers, facilitating better interoperability, easier integration, and clearer communication between different components. The book also covers security best practices and building for the cloud, ensuring that you're ready to deploy your MCP-based apps. Each chapter enables you to develop hands-on skills for building and operating MCP-based agentic apps. The Python primer at the end rounds out the practical toolkit, making this book essential for any team building AI-native applications today.
Table of Contents (17 chapters)
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14
Other Books You May Enjoy
15
Index

Adding a server

You’ve already seen in the previous section how various servers can be added, but let’s go through the motions of adding and using a server. Let’s use Playwright, an end-to-end (E2E) testing framework, as an example. To install it as an MCP server, what you usually do for any server is to locate its GitHub repo and see what its installation instructions are. For Playwright, its repository is here: https://github.com/microsoft/playwright-mcp.

There are quite a lot of instructions as this server offers a lot of features, but let’s grab the installation instructions from its Getting started section, which looks like so:

"playwright": {
    "command": "npx",
    "args": [
    "@playwright/mcp@latest"
    ]
}

Here, we see how it’s clearly a STDIO type server as its command and args properties are populated.

Step 1: Installing the server

Let’s install this via...

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