Fixes for status response structure mis-match and increase buffer sizes for large projects

src/xcode_index_mcp/server.py

@@ -147,7 +147,10 @@ async def connect(self):
         """Connect to the Swift MCP service."""
         if not self.reader or not self.writer:
             try:
-                self.reader, self.writer = await asyncio.open_connection(self.host, self.port)
+                ## Increase limit to 1MB for large JSON responses
+                self.reader, self.writer = await asyncio.open_connection(
+                    self.host, self.port, limit=1024*1024
+                )
                 logger.info("Connected to Swift service")
             except Exception as e:
                 raise McpError(
@@ -233,8 +236,11 @@ async def load_index(projectName: str) -> bool:
     logger.info(f"Loading index for project: {projectName}")
     try:
         result = await swift_service.send_request("is_available", {"projectName": projectName})
-        logger.error(f"Request sent successfully: {result}")
-        return result
+        # Extract available boolean from the nested result structure
+        if isinstance(result, dict) and result.get("type") == "status":
+            value = result.get("value", {})
+            return value.get("available", False)
+        return False
     except Exception as e:
         logger.error(f"Failed to load index for project '{projectName}': {str(e)}")
         raise McpError(

swift-service/Sources/TCPServer.swift

@@ -99,7 +99,7 @@ class TCPServer {
     }
 
     private func handleClient(_ clientSocket: Int32) {
-        var buffer = [UInt8](repeating: 0, count: 1024)
+        var buffer = [UInt8](repeating: 0, count: 65536)
 
         while true {
             let bytesRead = read(clientSocket, &buffer, buffer.count)