Skill Crossroads event-store-design
rubric v1.2 · deterministic
B 84.5/100 overall
Correctness & Structure 100 pass
Triggering & Discoverability 100 pass
Clarity & Instructions 40 1 fail
Token & Context Cost 100 pass
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.
CLARITY-03 No ASCII-art / persona filler
SKILL.md:24
Decorative ASCII-art / banner line — pure token cost, no instructional value.
┌─────────────────────────────────────────────────────┐
SKILL.md:26
Decorative ASCII-art / banner line — pure token cost, no instructional value.
├─────────────────────────────────────────────────────┤
SKILL.md:27
Decorative ASCII-art / banner line — pure token cost, no instructional value.
│  ┌─────────────┐  ┌─────────────┐  ┌─────────────┐ │
SKILL.md:30
Decorative ASCII-art / banner line — pure token cost, no instructional value.
│  ├─────────────┤  ├─────────────┤  ├─────────────┤ │
SKILL.md:35
Decorative ASCII-art / banner line — pure token cost, no instructional value.
│  └─────────────┘  └─────────────┘  └─────────────┘ │
SKILL.md:36
Decorative ASCII-art / banner line — pure token cost, no instructional value.
├─────────────────────────────────────────────────────┤
SKILL.md:38
Decorative ASCII-art / banner line — pure token cost, no instructional value.
└─────────────────────────────────────────────────────┘
Fix Delete decorative banners and persona filler; keep instructions plain and imperative.
★ scores higher than ≈12% of 214 public skills (deterministic rubric v1.2 sample, 2026-07)

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