refactor(mcp-server-filesystem): Update McpSseServer to include SSE endpoint and adjust transport initialization

Author: codeboyzhou

mcp-server-filesystem/src/main/java/com/github/mcp/examples/server/filesystem/McpSseServer.java

@@ -42,6 +42,11 @@ public class McpSseServer {
      */
     private static final String MSG_ENDPOINT = "/mcp/message";
 
+    /**
+     * The MCP SSE endpoint.
+     */
+    private static final String SSE_ENDPOINT = "/mcp/sse";
+
     /**
      * The MCP sync server instance.
      */
@@ -57,7 +62,9 @@ private void initialize() {
             .resources(true, true)
             .build();
 
-        HttpServletSseServerTransportProvider transport = new HttpServletSseServerTransportProvider(JSON, MSG_ENDPOINT);
+        HttpServletSseServerTransportProvider transport = new HttpServletSseServerTransportProvider(
+            JSON, MSG_ENDPOINT, SSE_ENDPOINT
+        );
         server = McpServer.sync(transport)
             .serverInfo(SERVER_NAME, SERVER_VERSION)
             .capabilities(serverCapabilities)
@@ -72,6 +79,9 @@ private void initialize() {
         startHttpServer(transport);
     }
 
+    /**
+     * Start the HTTP server with Jetty.
+     */
     private void startHttpServer(HttpServletSseServerTransportProvider transport) {
         ServletContextHandler servletContextHandler = new ServletContextHandler(ServletContextHandler.SESSIONS);
         servletContextHandler.setContextPath("/");

pom.xml

@@ -23,7 +23,6 @@
         <!--==================== dependency versions ======================-->
         <mcp-sdk.version>0.8.1</mcp-sdk.version>
         <jetty.version>12.0.18</jetty.version>
-        <servlet-api.version>6.1.0</servlet-api.version>
         <logback.version>1.5.18</logback.version>
     </properties>
 
@@ -49,11 +48,6 @@
             <artifactId>jetty-ee10-servlet</artifactId>
             <version>${jetty.version}</version>
         </dependency>
-        <dependency>
-            <groupId>jakarta.servlet</groupId>
-            <artifactId>jakarta.servlet-api</artifactId>
-            <version>${servlet-api.version}</version>
-        </dependency>
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>