Frontmatter that compatible agents can actually discover.
Required fields, naming syntax, folder alignment, and documented length limits are checked together.
Free developer utility
Catch broken skills before release.
Audit SKILL.md structure, references, and release risks without sending your work anywhere.
Browser only
Open source
Zero dependencies
Run the audit to see release blockers and warnings.
Fast checks. Human judgment stays in charge.
The audit handles objective structure and portability problems. You still decide whether the instructions are useful, scoped, and safe.
Local references
Choose the full folder to identify missing Markdown references before packaging.
Permission risk
Wildcard tool access is flagged for review instead of silently accepted.
Machine paths
User-specific absolute paths are surfaced before they break elsewhere.
Unfinished work
Empty instructions and common placeholder markers receive a clear verdict.
Need production-ready workflows instead of another blank template?
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