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A reference skill that exercises every supported frontmatter field — the six base Agent Skills fields plus all thirteen Claude Code extensions.
Passed 22 of 22 test cases with the skill, and 6 of 22 without it.
and 18 more in the full report
16 fixed6 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 16 test cases the skill fixed. Same model, same prompt, with and without the skill.
When preparing a full test fixture that covers all optional Claude Code frontmatter metadata extensions supported by skref, how many extension fields are included in total? Provide the numerical count.
| Checked | Without skill | With skill |
|---|---|---|
| States the count of extended fields is 13 | Missed | Passed |
The instructions your model reads when the skill loads.
A test fixture whose frontmatter uses every frontmatter field skref supports: the six base Agent Skills fields and all thirteen Claude Code extensions.
It validates only when --allow-claude-fields is set, and is rejected under the base
Agent Skills spec.
test cases passed, vs 6 / 22 without
More skills from the same source and nearby in the registry, with their headline benchmark lift.