Not officially with SmartThings, though the community is pretty creative, so I’ll leave the thread open for their feedback.
There are some community developed Groovy device handlers, but with Groovy being sunset, that won’t be a long-term solution. I believe I’ve seen people create Virtual Thermostats and use those as something of a proxy for their real thermostats, but I suspect you would need to setup quite a few rules to keep things in sync with an approach like that.
On that note, other hubs we have connections for like Hubitat and Home Assistant have Nest Thermostat integrations and those work with SharpTools. I believe that both of those are technically ‘unofficial’ integrations for each platform, but the community seems to enjoy them.
For the cameras, there’s experimental support for Nest Cameras and their public feed: