v1.2.3: Strict JSON Schema compliance and connection fixes

Author: Your Name

src/main/java/com/cursor/mcp/McpServer.java

@@ -55,11 +55,17 @@ public void start() {
                 sessions.put(sessionId, client);
                 client.keepAlive();
 
+                plugin.getLogger().info("New SSE Client connected. Session ID: " + sessionId);
+                
                 // Send the endpoint URI event as per MCP HTTP transport
                 // The client will use this to POST messages
-                client.sendEvent("endpoint", "/messages?sessionId=" + sessionId);
+                String endpoint = "/messages?sessionId=" + sessionId;
+                client.sendEvent("endpoint", endpoint);
 
-                client.onClose(() -> sessions.remove(sessionId));
+                client.onClose(() -> {
+                    sessions.remove(sessionId);
+                    plugin.getLogger().info("SSE Client disconnected. Session ID: " + sessionId);
+                });
             });
 
             app.post("/messages", ctx -> {

src/main/java/com/cursor/mcp/protocol/McpProtocol.java

@@ -35,13 +35,15 @@ public String handleRequest(String jsonBody) {
                         .put("protocolVersion", "2024-11-05");
 
                  ObjectNode capabilities = result.putObject("capabilities");
-                 capabilities.putObject("tools");
+                 ObjectNode toolsCap = capabilities.putObject("tools");
+                 toolsCap.put("listChanged", true);
+                 
                  capabilities.putObject("resources"); 
                  capabilities.putObject("prompts"); // Add prompts capability
 
                  ObjectNode serverInfo = result.putObject("serverInfo");
                  serverInfo.put("name", "MCPMinecraft");
-                 serverInfo.put("version", "1.1.0");
+                 serverInfo.put("version", "1.2.3");
 
                  return createResponse(id, result);
             }