Update mcp tool universe

Add rag utility

pom.xml

@@ -39,6 +39,12 @@
             <version>1.0-SNAPSHOT</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>de.shahondin1624</groupId>
+            <artifactId>rag</artifactId>
+            <version>1.0-SNAPSHOT</version>
+            <scope>compile</scope>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/mcp/app/McpLauncher.java

@@ -1,14 +1,15 @@
 package mcp.app;
 
-import de.shahondin1624.knowledgegraph.DatabaseLauncher;
+import de.shahondin1624.rag.LocalRagService;
 import mcp.server.McpServlet;
 import mcp.server.ToolRegistrationServlet;
+import org.eclipse.jetty.server.Server;
 import org.eclipse.jetty.servlet.ServletContextHandler;
 import org.eclipse.jetty.servlet.ServletHolder;
-import org.eclipse.jetty.server.Server;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.nio.file.Paths;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -18,11 +19,15 @@ public class McpLauncher {
 
     public static void main(String[] args) throws Exception {
         logger.info("Starting MCP App Launcher...");
-        new DatabaseLauncher().start();
+        // new DatabaseLauncher().start();
+        
+        // Initialize RAG Service and index documentation
+        LocalRagService ragService = LocalRagService.getInstance();
+        ragService.indexDirectory(Paths.get("/home/shahondin1624/Projects/rag/test-data"));
         
         // Scan both library tools and app tools
         Set<String> classpaths = Stream.concat(
-            Stream.of("mcp.tools", "mcp.app.tools", "de.shahondin1624.knowledgegraph.tooling"),
+            Stream.of("mcp.tools", "mcp.app.tools", /*"de.shahondin1624.knowledgegraph.tooling", */ "de.shahondin1624.rag.tooling"),
             args.length > 0 ? Stream.of(args[0].split(",")) : Stream.empty()
         ).collect(Collectors.toSet());
 

src/main/java/mcp/app/tools/CalculatorTool.java

@@ -52,6 +52,6 @@ public class CalculatorTool extends McpValidatedTool {
 
         Expression expression = new ExpressionBuilder(expressionStr).build();
         double result = expression.evaluate();
-        return success(String.valueOf(result));
+        return successResult(result);
     }
 }

src/main/java/mcp/app/tools/CurrentDateTimeTool.java

@@ -55,6 +55,6 @@ public class CurrentDateTimeTool extends McpValidatedTool {
     public McpSchema.CallToolResult callValidated(McpSchema.CallToolRequest request, Map<String, Object> arguments) {
         String now = LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME);
         logger.info("CurrentDateTimeTool called, returning: {}", now);
-        return success(now);
+        return successResult(now);
     }
 }

src/main/java/mcp/app/tools/EchoTool.java

@@ -50,6 +50,6 @@ public class EchoTool extends McpValidatedTool {
     public McpSchema.CallToolResult callValidated(McpSchema.CallToolRequest request, Map<String, Object> arguments) {
         String message = (String) arguments.get("message");
         logger.debug("EchoTool called with message: {}", message);
-        return success(message);
+        return successResult(message);
     }
 }