Problem Description

The MCP server fails to initialize properly in version 0.2.5, causing client connection errors (antinomyhq/forge#1149) :

ERROR: Failed to initiate MCP server: desktop-commander

Caused by:
    expect initialized response, but received: Some(Notification(JsonRpcNotification { jsonrpc: JsonRpcVersion2_0, notification: LoggingMessageNotification(Notification { method: LoggingMessageNotificationMethod, params: LoggingMessageNotificationParam { level: Error, logger: Some("desktop-commander"), data: String("Loading configuration...") }, extensions: Extensions }) }))

Environment

• Version: 0.2.5 (works in 0.2.4)
• Platform: MacOS
• Tool: Forge Code (https://github.com/antinomyhq/forge)

Expected Behavior

MCP server should respond with proper initialization response before sending any notifications.

Actual Behavior

Server sends JSON-RPC notifications during initialization phase, violating MCP protocol specification.

Impact

• MCP clients cannot connect to Desktop Commander
• Complete service unavailability in affected version