Skill Crossroads skills__analytics-tracking
rubric v1.2 · deterministic
D+ 68.7/100 overall
Correctness & Structure 33 2 fail
Triggering & Discoverability 33 2 fail
Clarity & Instructions 100 pass
Token & Context Cost 91 1 warn
Safety & Security 100 pass
Verifiability & Maintainability 80 1 warn

Top fixes — ranked by score impact

STRUCT-01 Valid YAML frontmatter
SKILL.md:1 YAML parser rejected the frontmatter block
Frontmatter failed to parse: All mapping items must start at the same column at line 3, column 1: description: ">" Design, audit, and improve analytics tracking systems that produce reliable, ^
Fix Fix the YAML so it is a valid `key: value` mapping between the opening and closing `---` fences.
STRUCT-02 Recommended fields present
SKILL.md:1
No frontmatter to read fields from (see STRUCT-01).
Fix Add frontmatter with a `description` field.
TRIGGER-02 Description long enough to anchor invocation
SKILL.md:1
No description — nothing for the model to match against.
Fix Add a description that leads with the use case and the phrases a user would say.
TRIGGER-03 Invocation cues in the description
SKILL.md:1
No description — no invocation cues possible.
Fix Add a description with explicit cues: 'Use when …' plus the phrases a user would say.
TOKEN-02 Progressive disclosure
SKILL.mdeverything inlined in SKILL.md 404 body lines, 0 supporting files
Large SKILL.md (404 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:326the 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.
## Validation
Fix Add an evals/ folder with 2–3 test prompts and the expected assertions.
★ scores higher than ≈3% of 208 public skills (deterministic rubric v1.2 sample, 2026-09)

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