This Debug #Script has access to Default Scripts, Info Scripts as well as arguments registered in SharpPagesFeature.

<table><tr><td style='width:50%'><pre>
Service Name              {{ appHost.ServiceName }}
Handler Path              {{ appConfig.HandlerFactoryPath }}
VirtualFiles Path         {{ appVirtualFilesPath }}
VirtualFileSources Path   {{ appVirtualFileSourcesPath }}
OS Environment Variable   {{ 'OS' |> envVariable }}
ServiceStack Version      {{ envServiceStackVersion }}

Request: 
  - RemoteIp              {{ request.RemoteIp }}
  - UserHostAddress       {{ request.UserHostAddress }}
  - PathInfo              {{ request.PathInfo }}
  - UserAgent             {{ request.UserAgent }}

Session:
  - ss-id                 {{ userSessionId }}
  - IsAuthenticated       {{ userSession.IsAuthenticated }}
  - UserAuthId            {{ userAuthId }}
  - Username              {{ userAuthName }}
  - LastName              {{ userSession.LastName }}
  - Is Admin              {{ 'Admin'         |> userHasRole }}
  - Has Permission        {{ 'ThePermission' |> userHasPermission }}

Plugins:
{{ plugins |> map => `  - ${it.typeName()}` |> joinln }}
</pre></td><td style='width:50%'> 
{{ meta.Operations |> take(10) |> map => {Request:it.Name,Response:it.ResponseType.Name??'', Service:it.ServiceType.Name} |> htmlDump({ caption:'First 10 Services'}) }}
<table><caption>Network Information</caption>
<tr><th>    IPv4 Addresses                            </th><th>              IPv6 Addresses                            </th></tr>
<td>{{#each ip in networkIpv4Addresses}}<div>{{ip}}</div>{{/each}}</td><td>{{#each ip in networkIpv6Addresses}}<div>{{ip}}</div>{{/each}}<td></tr></pre></td>
</tr></table>

Debug Inspector