Artificial Intelligence (AI) - especially Large Language Models (LLMs) - are on everyone's lips. Now they should not only generate text, images, video, and audio, but also operate the software we work with as humans. To increase efficiency and make human-machine interfaces more natural. In this blog post, we offer a simple introduction to the Model Context Protocol (MCP) and share our first experiences with it. Additionally, we examine the integration of APIs via the OpenAPI standard through the MCP.