Skill Crossroads complex-doc-rag
rubric v1.2 · deterministic
A− 90.2/100 overall
Correctness & Structure 100 pass
Triggering & Discoverability 100 pass
Clarity & Instructions 100 pass
Token & Context Cost 66 1 fail
Safety & Security 100 pass
Verifiability & Maintainability 53 1 fail

Top fixes — ranked by score impact

✗ TOKEN-01 Body under line/token budget
skill.md500-line guidance → 769 lines
SKILL.md is 769 lines — over the ~500-line guidance. ~10,554 tokens (rough est.); ~$0.0317 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.
✗ 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-02 Progressive disclosure
skill.mdeverything inlined in SKILL.md → 765 body lines, 0 supporting files
Large SKILL.md (765 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.
⚠ TOKEN-04 Recurring per-invocation cost
skill.mda one-time authoring cost → ~10,554 tokens (rough est.) per invocation
Every invocation carries this: ~10,554 tokens (rough est.) per invocation — ~$31.66 per 1,000 invocations at the $3/Mtok reference rate.
Fix Cut the entry file below ~8k tokens — move reference material into supporting files so every future invocation gets cheaper.
★ scores higher than ≈24% of 208 public skills (deterministic rubric v1.2 sample, 2026-09)

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