Release version 0.11.1

Signed-off-by: Christian Tzolov <christian.tzolov@broadcom.com>

mcp-bom/pom.xml

@@ -7,7 +7,7 @@
     <parent>
         <groupId>io.modelcontextprotocol.sdk</groupId>
         <artifactId>mcp-parent</artifactId>
-        <version>0.11.0-SNAPSHOT</version>
+        <version>0.11.1</version>
     </parent>
 
     <artifactId>mcp-bom</artifactId>

mcp-spring/mcp-spring-webflux/pom.xml

@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.11.0-SNAPSHOT</version>
+		<version>0.11.1</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>mcp-spring-webflux</artifactId>
@@ -25,13 +25,13 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp</artifactId>
-			<version>0.11.0-SNAPSHOT</version>
+			<version>0.11.1</version>
 		</dependency>
 
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-test</artifactId>
-			<version>0.11.0-SNAPSHOT</version>
+			<version>0.11.1</version>
 			<scope>test</scope>
 		</dependency>
 

mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/client/transport/WebClientStreamableHttpTransport.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.client.transport;
 
 import java.io.IOException;
@@ -30,6 +34,7 @@ import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpTransportSession;
 import io.modelcontextprotocol.spec.McpTransportSessionNotFoundException;
 import io.modelcontextprotocol.spec.McpTransportStream;
+import io.modelcontextprotocol.spec.ProtocolVersions;
 import io.modelcontextprotocol.util.Assert;
 import io.modelcontextprotocol.util.Utils;
 import reactor.core.Disposable;
@@ -67,7 +72,7 @@ public class WebClientStreamableHttpTransport implements McpClientTransport {
 
 	private static final Logger logger = LoggerFactory.getLogger(WebClientStreamableHttpTransport.class);
 
-	private static final String MCP_PROTOCOL_VERSION = "2025-03-26";
+	private static final String MCP_PROTOCOL_VERSION = ProtocolVersions.MCP_2025_03_26;
 
 	private static final String DEFAULT_ENDPOINT = "/mcp";
 
@@ -107,8 +112,8 @@ public class WebClientStreamableHttpTransport implements McpClientTransport {
 	}
 
 	@Override
-	public String protocolVersion() {
+	public List<String> protocolVersions() {
-		return MCP_PROTOCOL_VERSION;
+		return List.of(ProtocolVersions.MCP_2024_11_05, ProtocolVersions.MCP_2025_03_26);
 	}
 
 	/**
@@ -138,11 +143,8 @@ public class WebClientStreamableHttpTransport implements McpClientTransport {
 		Function<String, Publisher<Void>> onClose = sessionId -> sessionId == null ? Mono.empty()
 				: webClient.delete()
 					.uri(this.endpoint)
+					.header(HttpHeaders.MCP_SESSION_ID, sessionId)
 					.header(HttpHeaders.PROTOCOL_VERSION, MCP_PROTOCOL_VERSION)
-					.headers(httpHeaders -> {
-						httpHeaders.add(HttpHeaders.MCP_SESSION_ID, sessionId);
-						httpHeaders.add(HttpHeaders.PROTOCOL_VERSION, MCP_PROTOCOL_VERSION);
-					})
 					.retrieve()
 					.toBodilessEntity()
 					.onErrorComplete(e -> {

mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/client/transport/WebFluxSseClientTransport.java

@@ -1,9 +1,11 @@
 /*
  * Copyright 2024 - 2024 the original author or authors.
  */
+
 package io.modelcontextprotocol.client.transport;
 
 import java.io.IOException;
+import java.util.List;
 import java.util.function.BiConsumer;
 import java.util.function.Function;
 
@@ -15,6 +17,7 @@ import io.modelcontextprotocol.spec.McpClientTransport;
 import io.modelcontextprotocol.spec.McpError;
 import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpSchema.JSONRPCMessage;
+import io.modelcontextprotocol.spec.ProtocolVersions;
 import io.modelcontextprotocol.util.Assert;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -64,7 +67,7 @@ public class WebFluxSseClientTransport implements McpClientTransport {
 
 	private static final Logger logger = LoggerFactory.getLogger(WebFluxSseClientTransport.class);
 
-	private static final String MCP_PROTOCOL_VERSION = "2024-11-05";
+	private static final String MCP_PROTOCOL_VERSION = ProtocolVersions.MCP_2024_11_05;
 
 	/**
 	 * Event type for JSON-RPC messages received through the SSE connection. The server
@@ -171,8 +174,8 @@ public class WebFluxSseClientTransport implements McpClientTransport {
 	}
 
 	@Override
-	public String protocolVersion() {
+	public List<String> protocolVersions() {
-		return MCP_PROTOCOL_VERSION;
+		return List.of(MCP_PROTOCOL_VERSION);
 	}
 
 	/**

mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxSseServerTransportProvider.java

@@ -1,7 +1,12 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.server.transport;
 
 import java.io.IOException;
 import java.time.Duration;
+import java.util.List;
 import java.util.concurrent.ConcurrentHashMap;
 
 import com.fasterxml.jackson.core.type.TypeReference;
@@ -11,6 +16,7 @@ import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpServerSession;
 import io.modelcontextprotocol.spec.McpServerTransport;
 import io.modelcontextprotocol.spec.McpServerTransportProvider;
+import io.modelcontextprotocol.spec.ProtocolVersions;
 import io.modelcontextprotocol.util.Assert;
 import io.modelcontextprotocol.util.KeepAliveScheduler;
 
@@ -215,8 +221,8 @@ public class WebFluxSseServerTransportProvider implements McpServerTransportProv
 	}
 
 	@Override
-	public String protocolVersion() {
+	public List<String> protocolVersions() {
-		return "2024-11-05";
+		return List.of(ProtocolVersions.MCP_2024_11_05);
 	}
 
 	@Override

mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxStatelessServerTransport.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.server.transport;
 
 import com.fasterxml.jackson.databind.ObjectMapper;

mcp-spring/mcp-spring-webflux/src/main/java/io/modelcontextprotocol/server/transport/WebFluxStreamableServerTransportProvider.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.server.transport;
 
 import com.fasterxml.jackson.core.type.TypeReference;
@@ -10,6 +14,7 @@ import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpStreamableServerSession;
 import io.modelcontextprotocol.spec.McpStreamableServerTransport;
 import io.modelcontextprotocol.spec.McpStreamableServerTransportProvider;
+import io.modelcontextprotocol.spec.ProtocolVersions;
 import io.modelcontextprotocol.server.McpTransportContext;
 import io.modelcontextprotocol.util.Assert;
 import io.modelcontextprotocol.util.KeepAliveScheduler;
@@ -89,15 +94,11 @@ public class WebFluxStreamableServerTransportProvider implements McpStreamableSe
 
 			this.keepAliveScheduler.start();
 		}
-		else {
-			logger.warn("Keep-alive interval is not set or invalid. No keep-alive will be scheduled.");
-		}
-
 	}
 
 	@Override
-	public String protocolVersion() {
+	public List<String> protocolVersions() {
-		return "2025-03-26";
+		return List.of(ProtocolVersions.MCP_2024_11_05, ProtocolVersions.MCP_2025_03_26);
 	}
 
 	@Override

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

@@ -1,6 +1,7 @@
 /*
  * Copyright 2024 - 2024 the original author or authors.
  */
+
 package io.modelcontextprotocol;
 
 import static net.javacrumbs.jsonunit.assertj.JsonAssertions.assertThatJson;

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

@@ -1,6 +1,7 @@
 /*
  * Copyright 2024 - 2024 the original author or authors.
  */
+
 package io.modelcontextprotocol;
 
 import com.fasterxml.jackson.databind.ObjectMapper;

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

@@ -1,6 +1,7 @@
 /*
  * Copyright 2024 - 2024 the original author or authors.
  */
+
 package io.modelcontextprotocol;
 
 import com.fasterxml.jackson.databind.ObjectMapper;

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/client/WebClientStreamableHttpAsyncClientResiliencyTests.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.client;
 
 import io.modelcontextprotocol.client.transport.WebClientStreamableHttpTransport;

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/client/WebClientStreamableHttpAsyncClientTests.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.client;
 
 import org.junit.jupiter.api.Timeout;

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/client/WebClientStreamableHttpSyncClientTests.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2025-2025 the original author or authors.
+ */
+
 package io.modelcontextprotocol.client;
 
 import org.junit.jupiter.api.Timeout;

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/server/WebFluxStreamableMcpAsyncServerTests.java

@@ -5,9 +5,7 @@
 package io.modelcontextprotocol.server;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import io.modelcontextprotocol.server.transport.WebFluxSseServerTransportProvider;
 import io.modelcontextprotocol.server.transport.WebFluxStreamableServerTransportProvider;
-import io.modelcontextprotocol.spec.McpServerTransportProvider;
 import io.modelcontextprotocol.spec.McpStreamableServerTransportProvider;
 import org.junit.jupiter.api.Timeout;
 import org.springframework.http.server.reactive.HttpHandler;

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/server/WebFluxStreamableMcpSyncServerTests.java

@@ -5,7 +5,6 @@
 package io.modelcontextprotocol.server;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
-import io.modelcontextprotocol.server.transport.WebFluxSseServerTransportProvider;
 import io.modelcontextprotocol.server.transport.WebFluxStreamableServerTransportProvider;
 import io.modelcontextprotocol.spec.McpStreamableServerTransportProvider;
 import org.junit.jupiter.api.Timeout;

mcp-spring/mcp-spring-webflux/src/test/java/io/modelcontextprotocol/server/transport/BlockingInputStream.java

@@ -1,6 +1,7 @@
 /*
 * Copyright 2024 - 2024 the original author or authors.
 */
+
 package io.modelcontextprotocol.server.transport;
 
 import java.io.IOException;

mcp-spring/mcp-spring-webmvc/pom.xml

@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>io.modelcontextprotocol.sdk</groupId>
 		<artifactId>mcp-parent</artifactId>
-		<version>0.11.0-SNAPSHOT</version>
+		<version>0.11.1</version>
 		<relativePath>../../pom.xml</relativePath>
 	</parent>
 	<artifactId>mcp-spring-webmvc</artifactId>
@@ -25,7 +25,7 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp</artifactId>
-			<version>0.11.0-SNAPSHOT</version>
+			<version>0.11.1</version>
 		</dependency>
 
 		<dependency>
@@ -37,14 +37,14 @@
 		<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-test</artifactId>
-			<version>0.11.0-SNAPSHOT</version>
+			<version>0.11.1</version>
 			<scope>test</scope>
 		</dependency>
 
 				<dependency>
 			<groupId>io.modelcontextprotocol.sdk</groupId>
 			<artifactId>mcp-spring-webflux</artifactId>
-			<version>0.11.0-SNAPSHOT</version>
+			<version>0.11.1</version>
 			<scope>test</scope>
 		</dependency>
 

mcp-spring/mcp-spring-webmvc/src/main/java/io/modelcontextprotocol/server/transport/WebMvcSseServerTransportProvider.java

@@ -6,6 +6,7 @@ package io.modelcontextprotocol.server.transport;
 
 import java.io.IOException;
 import java.time.Duration;
+import java.util.List;
 import java.util.UUID;
 import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.locks.ReentrantLock;
@@ -16,6 +17,7 @@ import io.modelcontextprotocol.spec.McpError;
 import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpServerTransport;
 import io.modelcontextprotocol.spec.McpServerTransportProvider;
+import io.modelcontextprotocol.spec.ProtocolVersions;
 import io.modelcontextprotocol.spec.McpServerSession;
 import io.modelcontextprotocol.util.Assert;
 import io.modelcontextprotocol.util.KeepAliveScheduler;
@@ -210,8 +212,8 @@ public class WebMvcSseServerTransportProvider implements McpServerTransportProvi
 	}
 
 	@Override
-	public String protocolVersion() {
+	public List<String> protocolVersions() {
-		return "2024-11-05";
+		return List.of(ProtocolVersions.MCP_2024_11_05);
 	}
 
 	@Override

mcp-spring/mcp-spring-webmvc/src/main/java/io/modelcontextprotocol/server/transport/WebMvcStatelessServerTransport.java

@@ -1,3 +1,7 @@
+/*
+ * Copyright 2024-2024 the original author or authors.
+ */
+
 package io.modelcontextprotocol.server.transport;
 
 import com.fasterxml.jackson.databind.ObjectMapper;

mcp-spring/mcp-spring-webmvc/src/main/java/io/modelcontextprotocol/server/transport/WebMvcStreamableServerTransportProvider.java

@@ -32,6 +32,7 @@ import io.modelcontextprotocol.spec.McpSchema;
 import io.modelcontextprotocol.spec.McpStreamableServerSession;
 import io.modelcontextprotocol.spec.McpStreamableServerTransport;
 import io.modelcontextprotocol.spec.McpStreamableServerTransportProvider;
+import io.modelcontextprotocol.spec.ProtocolVersions;
 import io.modelcontextprotocol.util.Assert;
 import io.modelcontextprotocol.util.KeepAliveScheduler;
 import reactor.core.publisher.Flux;
@@ -95,9 +96,6 @@ public class WebMvcStreamableServerTransportProvider implements McpStreamableSer
 
 	private McpTransportContextExtractor<ServerRequest> contextExtractor;
 
-	// private Function<ServerRequest, McpTransportContext> contextExtractor = req -> new
-	// DefaultMcpTransportContext();
-
 	/**
 	 * Flag indicating if the transport is shutting down.
 	 */
@@ -142,14 +140,11 @@ public class WebMvcStreamableServerTransportProvider implements McpStreamableSer
 
 			this.keepAliveScheduler.start();
 		}
-		else {
-			logger.warn("Keep-alive interval is not set or invalid. No keep-alive will be scheduled.");
-		}
 	}
 
 	@Override
-	public String protocolVersion() {
+	public List<String> protocolVersions() {
-		return "2025-03-26";
+		return List.of(ProtocolVersions.MCP_2024_11_05, ProtocolVersions.MCP_2025_03_26);
 	}
 
 	@Override