Maybe there's a fundamental miscommunication here of what evals are?

Evals apply not just to LLMs but to skills, prompts, tools, and most things changing the behavior of compound AI systems, and especially like the productivity claims being put forth in this thread.

The features in the post relate directly to heavily researched areas of agents that are regularly benchmarked and evaluated. They're not obscure, eg, another recent HN frontpage item benchmarked on research and planning.