fix(server): The parameter order displayed on MCP Inspector page is incorrect

Author: codeboyzhou

src/main/java/com/github/codeboyzhou/mcp/declarative/server/McpSyncServerPromptRegister.java

@@ -30,7 +30,7 @@ public McpSyncServerPromptRegister(Set<Class<?>> promptClasses) {
     @Override
     public void registerTo(McpSyncServer server) {
         for (Class<?> promptClass : promptClasses) {
-            Set<Method> methods = ReflectionHelper.getMethodsAnnotatedWith(promptClass, McpPrompt.class);
+            List<Method> methods = ReflectionHelper.getMethodsAnnotatedWith(promptClass, McpPrompt.class);
             for (Method method : methods) {
                 McpServerFeatures.SyncPromptSpecification prompt = createComponentFrom(promptClass, method);
                 server.addPrompt(prompt);
@@ -61,7 +61,7 @@ public McpServerFeatures.SyncPromptSpecification createComponentFrom(Class<?> cl
     }
 
     private List<McpSchema.PromptArgument> createPromptArguments(Method method) {
-        Set<Parameter> parameters = ReflectionHelper.getParametersAnnotatedWith(method, McpPromptParam.class);
+        List<Parameter> parameters = ReflectionHelper.getParametersAnnotatedWith(method, McpPromptParam.class);
         List<McpSchema.PromptArgument> promptArguments = new ArrayList<>(parameters.size());
         for (Parameter parameter : parameters) {
             McpPromptParam promptParam = parameter.getAnnotation(McpPromptParam.class);

src/main/java/com/github/codeboyzhou/mcp/declarative/server/McpSyncServerResourceRegister.java

@@ -27,7 +27,7 @@ public McpSyncServerResourceRegister(Set<Class<?>> resourceClasses) {
     @Override
     public void registerTo(McpSyncServer server) {
         for (Class<?> resourceClass : resourceClasses) {
-            Set<Method> methods = ReflectionHelper.getMethodsAnnotatedWith(resourceClass, McpResource.class);
+            List<Method> methods = ReflectionHelper.getMethodsAnnotatedWith(resourceClass, McpResource.class);
             for (Method method : methods) {
                 McpServerFeatures.SyncResourceSpecification resource = createComponentFrom(resourceClass, method);
                 server.addResource(resource);

src/main/java/com/github/codeboyzhou/mcp/declarative/server/McpSyncServerToolRegister.java

@@ -16,6 +16,7 @@
 import java.lang.reflect.Parameter;
 import java.util.ArrayList;
 import java.util.HashMap;
+import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.Set;
@@ -36,7 +37,7 @@ public McpSyncServerToolRegister(Set<Class<?>> toolClasses) {
     @Override
     public void registerTo(McpSyncServer server) {
         for (Class<?> toolClass : toolClasses) {
-            Set<Method> methods = ReflectionHelper.getMethodsAnnotatedWith(toolClass, McpTool.class);
+            List<Method> methods = ReflectionHelper.getMethodsAnnotatedWith(toolClass, McpTool.class);
             for (Method method : methods) {
                 McpServerFeatures.SyncToolSpecification tool = createComponentFrom(toolClass, method);
                 server.addTool(tool);
@@ -67,11 +68,11 @@ public McpServerFeatures.SyncToolSpecification createComponentFrom(Class<?> claz
     }
 
     private McpSchema.JsonSchema createJsonSchema(Method method) {
-        Map<String, Object> properties = new HashMap<>();
-        Map<String, Object> definitions = new HashMap<>();
+        Map<String, Object> properties = new LinkedHashMap<>();
+        Map<String, Object> definitions = new LinkedHashMap<>();
         List<String> required = new ArrayList<>();
 
-        Set<Parameter> parameters = ReflectionHelper.getParametersAnnotatedWith(method, McpToolParam.class);
+        List<Parameter> parameters = ReflectionHelper.getParametersAnnotatedWith(method, McpToolParam.class);
         for (Parameter parameter : parameters) {
             McpToolParam toolParam = parameter.getAnnotation(McpToolParam.class);
             final String parameterName = toolParam.name();

src/main/java/com/github/codeboyzhou/mcp/declarative/util/ReflectionHelper.java

@@ -7,22 +7,21 @@
 import java.lang.reflect.Method;
 import java.lang.reflect.Parameter;
 import java.util.LinkedHashMap;
+import java.util.List;
 import java.util.Map;
-import java.util.Set;
 import java.util.function.Consumer;
-
-import static java.util.stream.Collectors.toSet;
+import java.util.stream.Stream;
 
 public final class ReflectionHelper {
 
-    public static Set<Method> getMethodsAnnotatedWith(Class<?> clazz, Class<? extends Annotation> annotation) {
+    public static List<Method> getMethodsAnnotatedWith(Class<?> clazz, Class<? extends Annotation> annotation) {
         Method[] methods = clazz.getMethods();
-        return Set.of(methods).stream().filter(m -> m.isAnnotationPresent(annotation)).collect(toSet());
+        return Stream.of(methods).filter(m -> m.isAnnotationPresent(annotation)).toList();
     }
 
-    public static Set<Parameter> getParametersAnnotatedWith(Method method, Class<? extends Annotation> annotation) {
+    public static List<Parameter> getParametersAnnotatedWith(Method method, Class<? extends Annotation> annotation) {
         Parameter[] parameters = method.getParameters();
-        return Set.of(parameters).stream().filter(p -> p.isAnnotationPresent(annotation)).collect(toSet());
+        return Stream.of(parameters).filter(p -> p.isAnnotationPresent(annotation)).toList();
     }
 
     public static void doWithFields(Class<?> clazz, Consumer<Field> consumer) {