Skill Crossroads — ab-testing

Skill Crossroads ab-testing
rubric v1.2 · deterministic

overall

Correctness & Structure 67 1 fail

Triggering & Discoverability 100 pass

Clarity & Instructions 100 pass

Token & Context Cost 100 pass

Safety & Security 100 pass

Verifiability & Maintainability 53 1 fail

Top fixes — ranked by score impact

✗ STRUCT-05 Supporting-file references resolve

SKILL.md:101references `references/sample-size-guide.md` → no such file or directory in the skill

Reference to `references/sample-size-guide.md` does not resolve to a file in the skill directory.

references/sample-size-guide.md

Fix Add the missing file(s), fix the path, or remove the dead reference.

✗ VERIFY-01 Evals or tests present

SKILL.md:1the skill works → no evals/, tests/, or verification section found

No way to prove the skill does what it claims.

Fix Add an evals/ folder (test prompts + expected outcomes) and a '## Verify' step in the body.

★ scores higher than ≈20% of 208 public skills (deterministic rubric v1.2 sample, 2026-09)

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