Add OpenHands app support on windows without WSL (#8674)

Co-authored-by: openhands <openhands@all-hands.dev>
Co-authored-by: Boxuan Li <liboxuan@connect.hku.hk>

openhands/runtime/impl/action_execution/action_execution_client.py

@@ -354,6 +354,14 @@ class ActionExecutionClient(Runtime):
     def get_mcp_config(
         self, extra_stdio_servers: list[MCPStdioServerConfig] | None = None
     ) -> MCPConfig:
+        import sys
+
+        # Check if we're on Windows - MCP is disabled on Windows
+        if sys.platform == 'win32':
+            # Return empty MCP config on Windows
+            self.log('debug', 'MCP is disabled on Windows, returning empty config')
+            return MCPConfig(sse_servers=[], stdio_servers=[])
+
         # Add the runtime as another MCP server
         updated_mcp_config = self.config.mcp.model_copy()
 
@@ -436,6 +444,15 @@ class ActionExecutionClient(Runtime):
         return updated_mcp_config
 
     async def call_tool_mcp(self, action: MCPAction) -> Observation:
+        import sys
+
+        from openhands.events.observation import ErrorObservation
+
+        # Check if we're on Windows - MCP is disabled on Windows
+        if sys.platform == 'win32':
+            self.log('info', 'MCP functionality is disabled on Windows')
+            return ErrorObservation('MCP functionality is not available on Windows')
+
         # Import here to avoid circular imports
         from openhands.mcp.utils import call_tool_mcp as call_tool_mcp_handler
         from openhands.mcp.utils import create_mcp_clients

openhands/runtime/impl/local/local_runtime.py

@@ -238,6 +238,7 @@ class LocalRuntime(ActionExecutionClient):
         env['PYTHONPATH'] = os.pathsep.join([code_repo_path, env.get('PYTHONPATH', '')])
         env['OPENHANDS_REPO_PATH'] = code_repo_path
         env['LOCAL_RUNTIME_MODE'] = '1'
+        env['VSCODE_PORT'] = str(self._vscode_port)
 
         # Derive environment paths using sys.executable
         interpreter_path = sys.executable