Authorization: Bearer ********************Authorization: Bearer ********************curl --location '/api/mcp-servers//custom-oauth/start?project_id=undefined' \
--header 'X-Session-Id;' \
--header 'Accept-Language;' \
--header 'Content-Type: application/json' \
--data '{
"request_id": "popup-550e8400-e29b-41d4-a716-446655440000",
"scope": "can_view_projects can_view_access"
}'{
"authorization_url": "https://mcp.example.com/oauth/authorize?...",
"request_id": "popup-550e8400-e29b-41d4-a716-446655440000",
"expires_at": "2026-04-30T12:00:00.000Z"
}