From 624c8e263bb1af40254731267c79a0b82e07f797 Mon Sep 17 00:00:00 2001
From: iroqueta <iroqueta@genexus.com>
Date: Tue, 2 Sep 2025 14:21:23 -0300
Subject: [PATCH] The ability to publish APIObjects methods as tools on an MCP
 server of the model is implemented. Issue: 206085

---
 gxspringboot/pom.xml                          | 10 +++
 .../java/com/genexus/springboot/GXUtils.java  | 61 +++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 gxspringboot/src/main/java/com/genexus/springboot/GXUtils.java

diff --git a/gxspringboot/pom.xml b/gxspringboot/pom.xml
index 13420c1e4..869e1a2fb 100644
--- a/gxspringboot/pom.xml
+++ b/gxspringboot/pom.xml
@@ -47,6 +47,16 @@
             <artifactId>urlrewritefilter</artifactId>
             <version>5.1.3</version>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.ai</groupId>
+            <artifactId>spring-ai-model</artifactId>
+            <version>1.0.1</version>
+        </dependency>
+        <dependency>
+            <groupId>org.reflections</groupId>
+            <artifactId>reflections</artifactId>
+            <version>0.10.2</version>
+        </dependency>
 	</dependencies>
 
 	<build>
diff --git a/gxspringboot/src/main/java/com/genexus/springboot/GXUtils.java b/gxspringboot/src/main/java/com/genexus/springboot/GXUtils.java
new file mode 100644
index 000000000..5f337a0dd
--- /dev/null
+++ b/gxspringboot/src/main/java/com/genexus/springboot/GXUtils.java
@@ -0,0 +1,61 @@
+package com.genexus.springboot;
+
+import com.genexus.diagnostics.core.ILogger;
+import com.genexus.specific.java.Connect;
+import com.genexus.specific.java.LogManager;
+import org.springframework.ai.tool.ToolCallbackProvider;
+import org.springframework.ai.tool.method.MethodToolCallbackProvider;
+import org.springframework.ai.tool.annotation.Tool;
+import org.reflections.Reflections;
+
+import java.lang.reflect.Method;
+import java.util.Set;
+
+public class GXUtils {
+	public static final ILogger logger = com.genexus.diagnostics.core.LogManager.getLogger(GXUtils.class);
+
+	public static ToolCallbackProvider operationsTools(String packageName) {
+		Connect.init();
+		LogManager.initialize(".");
+
+		Reflections reflections = new Reflections(
+			new org.reflections.util.ConfigurationBuilder()
+				.forPackages(packageName)
+				.addScanners(org.reflections.scanners.Scanners.MethodsAnnotated)
+		);
+
+		Set<Method> toolMethods = reflections.getMethodsAnnotatedWith(Tool.class);
+
+		MethodToolCallbackProvider.Builder builder = MethodToolCallbackProvider.builder();
+
+		// Keep track of classes that have already been added
+		Set<Class<?>> processedClasses = new java.util.HashSet<>();
+
+		for (Method method : toolMethods) {
+			Class<?> clazz = method.getDeclaringClass();
+
+			// Skip if we've already processed this class
+			if (processedClasses.contains(clazz)) {
+				continue;
+			}
+
+			try {
+				Object instance = clazz.getConstructor(int.class).newInstance(-1);
+				builder.toolObjects(instance);
+				processedClasses.add(clazz);
+
+				Tool toolAnnotation = method.getAnnotation(Tool.class);
+				logger.debug(String.format("Registered tool: %s - %s",
+					toolAnnotation.name().isEmpty() ? method.getName() : toolAnnotation.name(),
+					toolAnnotation.description()));
+			} catch (Exception e) {
+				logger.error("Error instantiating tool class: " + clazz.getName(), e);
+			}
+		}
+
+		if (!toolMethods.isEmpty())
+			return builder.build();
+
+		return null;
+	}
+}