Until the official list is released (presumably on August 31), I've thrown this together.
Around 500 apps are currently available through Google Assistant. The directory includes the Assistant "built-in" applications made by Google (Calendar, My Day, Gmail, etc.) as well as 3rd party applications approved in the assistant directory. A QA test app is available publicly: "QA TEST test three three eight four" (https://goo.gl/76FPwt).
There is still the cheaper alternative to pack light and move often, although it also requires exercising some level of good practices, everyone feels a bit better using a freshly installed OS.
Build your own live-CD distro, use file-system snapshots, segregate data susceptible of containing malware, or buy new stuff in random shops you deem trustworthy, use it and throw it away.
On a side note, as we've seen recently, using untrustworthy sources of software like npm will without a doubt affect your level of security.
Around 500 apps are currently available through Google Assistant. The directory includes the Assistant "built-in" applications made by Google (Calendar, My Day, Gmail, etc.) as well as 3rd party applications approved in the assistant directory. A QA test app is available publicly: "QA TEST test three three eight four" (https://goo.gl/76FPwt).
This was built after https://assistant.google.com/sitemap.xml and dumped in Firebase, then wrapped around a Polymer app-layout template named "publishing". The raw data can be downloaded at https://gactions.com/data/articles.json.