YamlScript (YS) adds more programmatic expressiveness to YAML. It extends an executable Clojure runtime (non-jvm, like Babaskha). Created by YAML inventor/maintainer

https://yamlscript.org/

This exists. https://yamlscript.org/blog/2025-06-24/how-does-ys-work/

https://yamlscript.org/about/ - YAMLScript (or YS) A graal pre-compiled Clojure environment, like Babashka, but uses a different, looser syntax (yaml based). Can run from command line.

Like a nicer Python?

I do not believe I want to write my code in something that goes through a YAML parser.