@martinsiegrist It’s all described on the notes in a new C# script (albeit not in Grasshopper :D)
// NOTE:
// - Reference to RhinoCommmod.dll is added by default
// - Use // r "<assembly name>" to reference other assemblies
// e.g. // r "System.Text.Json"
// e.g. // r "path/to/your/Library.dll"
// - Use // r nuget "<package name>==<package version>" to install and reference nuget packages.
// >= and > are also accepted instead of ==
// e.g. // r nuget "RestSharp==106.12.0"
// e.g. // r nuget "RestSharp>=106.10.1"
// - Use #r "nuget: <package name>, <package version>" to install and reference nuget packages.
// e.g. #r "nuget: RestSharp, 106.11.7"
Let me know if this makes sense