If it makes you feel better - I think many of the pieces labs put out are pretty easy jumps to make from current harness behavior. There are probably `n` open source projects that implement some mechanisms that look approximately like this.

Another example of this is "skills", which has a lot of branding for what are essentially markdown files

This is an interesting article, but IMO what makes this interesting is not the idea, but the empirical evidence that you are probably equally capable of putting together if you had millions of dollars