How to Build and Connect an MCP Server with Quarkus and Claude

Introduction In this blog, we will walk through how to create a simple MCP server using Quarkus and explore how to integrate it with Claude Desktop. Prerequisites Before getting started, make sure you have: A basic understanding of Java and Quarkus Java 17 installed on your system Claude Desktop installed A basic understanding of LLMs (Large Language Models) That’s it — once these are in place, we’re ready to start building our MCP server. Creating the Quarkus Project To get started, we first need to create a Quarkus project. Navigate to https://code.quarkus.io in your browser. Configure the project with the following settings: Build Tool: Gradle Java Version: 17 Group: <group-id-of-ur-choice> Artifact: mcp-tutorial-app Generate and download the project. Once the project is downloaded, extract it and open it in your preferred IDE (IntelliJ IDEA or VS Code). Adding Required Dependencies Next, we need to add the dependencies required to build an MCP server and call external REST APIs. Op