Inspector Version

0.17.5 latest

Describe the bug
When choosing Streamable HTTP option with WWW-Authenticate 401 protected resource challenge on MCP server, MCP inspector throws an error "Connection Error - Check if your MCP server is running and proxy token is correct"

While in 0.17.2 it works

To Reproduce
Connect to MCP server using OAuth Protected Resource WWW-Authenticate challenge in version 0.17.5

Expected behavior
MCP inspector respects the challenge and start OAuth discovery process in the end redirecting user agent to the authorization endpoint

Screenshots
0.17.5:

0.17.2 continues to authorization page

Environment (please complete the following information):

• OS: windows
• Browser chrome

Additional context
Version 0.17.2 works fine