https://scottspence.com/posts/measuring-claude-code-skill-activation-with-sandboxed-evals https://scottspence.com/posts/measuring-claude-code-skill-ac... This

https://scottspence.com/posts/measuring-claude-code-skill-activation-with-sandboxed-evals https://scottspence.com/posts/measuring-claude-code-skill-ac... This works in my experience