feat: Added optional title field to resource, tool, prompt

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/WebFluxSseIntegrationTests.java

@@ -995,10 +995,12 @@ void testCompletionShouldReturnExpectedSuggestions(String clientType) {
 
 		var mcpServer = McpServer.sync(mcpServerTransportProvider)
 			.capabilities(ServerCapabilities.builder().completions().build())
-			.prompts(new McpServerFeatures.SyncPromptSpecification(
-					new Prompt("code_review", "this is code review prompt",
-							List.of(new PromptArgument("language", "string", false))),
-					(mcpSyncServerExchange, getPromptRequest) -> null))
+			.prompts(new McpServerFeatures.SyncPromptSpecification(Prompt.builder()
+				.name("code_review")
+				.title("Request Code Review")
+				.description("this is code review prompt")
+				.arguments(List.of(new PromptArgument("language", "string", false)))
+				.build(), (mcpSyncServerExchange, getPromptRequest) -> null))
 			.completions(new McpServerFeatures.SyncCompletionSpecification(
 					new McpSchema.PromptReference("ref/prompt", "code_review"), completionHandler))
 			.build();
@@ -1008,8 +1010,11 @@ void testCompletionShouldReturnExpectedSuggestions(String clientType) {
 			InitializeResult initResult = mcpClient.initialize();
 			assertThat(initResult).isNotNull();
 
-			CompleteRequest request = new CompleteRequest(new PromptReference("ref/prompt", "code_review"),
-					new CompleteRequest.CompleteArgument("language", "py"));
+			CompleteRequest request = new CompleteRequest(PromptReference.builder()
+				.type("ref/prompt")
+				.name("code_review")
+				.title("Request Code Review")
+				.build(), new CompleteRequest.CompleteArgument("language", "py"));
 
 			CompleteResult result = mcpClient.completeCompletion(request);
 

mcp/src/main/java/io/modelcontextprotocol/server/McpAsyncServer.java

@@ -462,9 +462,14 @@ private List<McpSchema.ResourceTemplate> getResourceTemplates() {
 			.filter(uri -> uri.contains("{"))
 			.map(uri -> {
 				var resource = this.resources.get(uri).resource();
-				var template = new McpSchema.ResourceTemplate(resource.uri(), resource.name(), resource.description(),
-						resource.mimeType(), resource.annotations());
-				return template;
+				return ResourceTemplate.builder()
+					.uriTemplate(resource.uri())
+					.name(resource.name())
+					.title(resource.title())
+					.description(resource.description())
+					.mimeType(resource.mimeType())
+					.annotations(resource.annotations())
+					.build();
 			})
 			.toList();
 
@@ -725,7 +730,11 @@ private McpSchema.CompleteRequest parseCompletionParams(Object object) {
 		String refType = (String) refMap.get("type");
 
 		McpSchema.CompleteReference ref = switch (refType) {
-			case "ref/prompt" -> new McpSchema.PromptReference(refType, (String) refMap.get("name"));
+			case "ref/prompt" -> McpSchema.PromptReference.builder()
+				.type(refType)
+				.name((String) refMap.get("name"))
+				.title((String) refMap.get("title"))
+				.build();
 			case "ref/resource" -> new McpSchema.ResourceReference(refType, (String) refMap.get("uri"));
 			default -> throw new IllegalArgumentException("Invalid ref type: " + refType);
 		};