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too short
Passed 22 of 23 test cases with the skill, and 6 of 23 without it.
and 20 more in the full report
18 fixed5 passed either way0 still failing1 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 17 test cases the skill fixed. Same model, same prompt, with and without the skill.
How many total book entries are defined in the Bad Library router header?
| Checked | Without skill | With skill |
|---|---|---|
| States that there are 2 books defined. | Missed | Passed |
The instructions your model reads when the skill loads.
Books: 2 | Generated: 2026-08-04 | Depth: reference
| Book (→ file) | Reach for it when you need… | Its one big idea |
|---|---|---|
| Linked Book → references/reference-linked-book.md | anything | one idea |
| Ghost Book → references/reference-ghost.md | nothing, it does not exist | missing |
Covers these sources only.
test cases passed, vs 6 / 23 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.