feat(mcp): update WebFlux and WebMvc server transport providers with URL configuration

- Add baseUrl and sseEndpoint properties to McpServerProperties
- Update WebFlux and WebMvc server transport providers to use new URL configuration properties
- Remove deprecated backward compatibility code and related tests
- Remove deprecated methods from McpToolUtils
- Update MCP SDK version to 0.9.0-SNAPSHOT

Signed-off-by: Christian Tzolov <[email protected]>

Author: tzolov

auto-configurations/mcp/spring-ai-autoconfigure-mcp-server/src/main/java/org/springframework/ai/mcp/server/autoconfigure/McpBackwardCompatibility.java

@@ -53,7 +53,6 @@
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.boot.context.properties.EnableConfigurationProperties;
 import org.springframework.context.annotation.Bean;
-import org.springframework.context.annotation.Import;
 import org.springframework.core.log.LogAccessor;
 import org.springframework.util.CollectionUtils;
 import org.springframework.util.MimeType;
@@ -110,7 +109,6 @@
 @AutoConfiguration(after = { McpWebMvcServerAutoConfiguration.class, McpWebFluxServerAutoConfiguration.class })
 @ConditionalOnClass({ McpSchema.class, McpSyncServer.class })
 @EnableConfigurationProperties(McpServerProperties.class)
-@Import(McpBackwardCompatibility.class)
 @ConditionalOnProperty(prefix = McpServerProperties.CONFIG_PREFIX, name = "enabled", havingValue = "true",
 		matchIfMissing = true)
 public class McpServerAutoConfiguration {

auto-configurations/mcp/spring-ai-autoconfigure-mcp-server/src/main/java/org/springframework/ai/mcp/server/autoconfigure/McpServerAutoConfiguration.java

@@ -98,6 +98,14 @@ public class McpServerProperties {
 	 */
 	private boolean promptChangeNotification = true;
 
+	/**
+	 */
+	private String baseUrl = "";
+
+	/**
+	 */
+	private String sseEndpoint = "/sse";
+
 	/**
 	 * The endpoint path for Server-Sent Events (SSE) when using web transports.
 	 * <p>
@@ -196,6 +204,24 @@ public void setPromptChangeNotification(boolean promptChangeNotification) {
 		this.promptChangeNotification = promptChangeNotification;
 	}
 
+	public String getBaseUrl() {
+		return this.baseUrl;
+	}
+
+	public void setBaseUrl(String baseUrl) {
+		Assert.notNull(baseUrl, "Base URL must not be null");
+		this.baseUrl = baseUrl;
+	}
+
+	public String getSseEndpoint() {
+		return this.sseEndpoint;
+	}
+
+	public void setSseEndpoint(String sseEndpoint) {
+		Assert.hasText(sseEndpoint, "SSE endpoint must not be empty");
+		this.sseEndpoint = sseEndpoint;
+	}
+
 	public String getSseMessageEndpoint() {
 		return this.sseMessageEndpoint;
 	}

auto-configurations/mcp/spring-ai-autoconfigure-mcp-server/src/main/java/org/springframework/ai/mcp/server/autoconfigure/McpServerProperties.java

@@ -74,7 +74,8 @@ public class McpWebFluxServerAutoConfiguration {
 	@Bean
 	@ConditionalOnMissingBean
 	public WebFluxSseServerTransportProvider webFluxTransport(McpServerProperties serverProperties) {
-		return new WebFluxSseServerTransportProvider(new ObjectMapper(), serverProperties.getSseMessageEndpoint());
+		return new WebFluxSseServerTransportProvider(new ObjectMapper(), serverProperties.getBaseUrl(),
+				serverProperties.getSseMessageEndpoint(), serverProperties.getSseEndpoint());
 	}
 
 	// Router function for SSE transport used by Spring WebFlux to start an HTTP server.

auto-configurations/mcp/spring-ai-autoconfigure-mcp-server/src/main/java/org/springframework/ai/mcp/server/autoconfigure/McpWebFluxServerAutoConfiguration.java

@@ -70,7 +70,8 @@ public class McpWebMvcServerAutoConfiguration {
 	@ConditionalOnMissingBean
 	public WebMvcSseServerTransportProvider webMvcSseServerTransportProvider(ObjectMapper objectMapper,
 			McpServerProperties serverProperties) {
-		return new WebMvcSseServerTransportProvider(objectMapper, serverProperties.getSseMessageEndpoint());
+		return new WebMvcSseServerTransportProvider(objectMapper, serverProperties.getBaseUrl(),
+				serverProperties.getSseMessageEndpoint(), serverProperties.getSseEndpoint());
 	}
 
 	@Bean