Skill Crossroads dotnet-devcert-trust
rubric v1.2 · deterministic
B− 82.6/100 overall
Correctness & Structure 100 pass
Triggering & Discoverability 85 1 warn
Clarity & Instructions 40 1 fail
Token & Context Cost 91 1 warn
Safety & Security 100 pass
Verifiability & Maintainability 80 1 warn

Top fixes — ranked by score impact

CLARITY-03 No ASCII-art / persona filler
SKILL.md:45
Decorative ASCII-art / banner line — pure token cost, no instructional value.
┌─────────────────────────────────────────────────────┐
SKILL.md:49
Decorative ASCII-art / banner line — pure token cost, no instructional value.
└──────────────────────┬──────────────────────────────┘
SKILL.md:51
Decorative ASCII-art / banner line — pure token cost, no instructional value.
┌──────────────────────▼──────────────────────────────┐
SKILL.md:59
Decorative ASCII-art / banner line — pure token cost, no instructional value.
└─────────────────────────────────────────────────────┘
Fix Delete decorative banners and persona filler; keep instructions plain and imperative.
TRIGGER-03 Invocation cues in the description
SKILL.md:1description will match user requests no explicit cue ('use when …', 'triggers on …', quoted user phrases) found
Pure what-it-does prose — the model has to guess when to invoke it.
Diagnose and fix .NET HTTPS dev certificate trust issues on Linux. Covers the…
Fix State the trigger explicitly: 'Use when the user says "…", "…", or wants to …'.
TOKEN-02 Progressive disclosure
SKILL.mdeverything inlined in SKILL.md 411 body lines, 0 supporting files
Large SKILL.md (411 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.
VERIFY-01 Evals or tests present
SKILL.md:240the skill can be verified a prose verification step, but no runnable evals/ or tests/
Manual verification only — add eval prompts with expected outcomes to make it checkable.
# Verify
Fix Add an evals/ folder with 2–3 test prompts and the expected assertions.
★ scores higher than ≈9% of 208 public skills (deterministic rubric v1.2 sample, 2026-09)

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