Skill Crossroads aws
rubric v1.2 · deterministic
A− 92.5/100 overall
Correctness & Structure 100 pass
Triggering & Discoverability 100 pass
Clarity & Instructions 100 pass
Token & Context Cost 81 2 warn
Safety & Security 100 pass
Verifiability & Maintainability 53 1 fail

Top fixes — ranked by score impact

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.
TOKEN-01 Body under line/token budget
skill.md500-line guidance 565 lines
SKILL.md is 565 lines — over the ~500-line guidance. ~6,582 tokens (rough est.); ~$0.0197 per load at $3/Mtok reference rate.
Fix Move heavy reference material into supporting files and link to them (progressive disclosure), keeping SKILL.md lean.
TOKEN-02 Progressive disclosure
skill.mdeverything inlined in SKILL.md 561 body lines, 0 supporting files
Large SKILL.md (561 lines) with no supporting files — all of it loads every time the skill fires.
Fix Move heavy reference material into supporting files and link to them, so the model loads it only when needed.
★ scores higher than ≈42% of 208 public skills (deterministic rubric v1.2 sample, 2026-09)

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