Simple MCP server with JBang (you need the beans.xml file next to the java file)

beans.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/beans_4_0.xsd"
       bean-discovery-mode="all">
</beans>

SimpleMcpServer.java

///usr/bin/env jbang "$0" "$@" ; exit $?
//JAVA 17+
//REPOS mavencentral,jboss=https://repository.jboss.org/
//DEPS org.wildfly.bom:wildfly-expansion:${wildfly.version:39.0.1.Final}@pom 
//DEPS org.wildfly.generative-ai:wildfly-ai-bom:0.9.0@pom 
//DEPS org.wildfly.glow:wildfly-glow:1.5.2.Final
//DEPS jakarta.ws.rs:jakarta.ws.rs-api
//DEPS jakarta.enterprise:jakarta.enterprise.cdi-api
//DEPS org.wildfly.generative-ai:wildfly-mcp-api
//GLOW --spaces=incubating --server-version=39.0.1.Final
//FILES WEB-INF/beans.xml=beans.xml

import org.wildfly.mcp.api.Tool;
import org.wildfly.mcp.api.ToolArg;
public class SimpleMcpServer {
    @Tool(description = "Provide a welcome customized message", name = "hello")
    public String helloWorld(@ToolArg(description = "the name of the current user") String user) throws InterruptedException {
        return "Hello World " + user;
    }
}