Skilllint
A zero-dependency Node.js linter for Agent Skills folders. Checks frontmatter, names, descriptions, size budgets, reference paths and duplicate names, with text, JSON and SARIF output.
- Period
- October 2026
- Release
- Public source project
- Work type
- Independent open-source project
- Development
- AI-assisted, with verification
What I built
A zero-dependency Node.js linter for Agent Skills folders. Checks frontmatter, names, descriptions, size budgets, reference paths and duplicate names, with text, JSON and SARIF output.
Developed with AI coding assistance. Source code, reproduction instructions and tests are available in the linked repository.
What was checked
26 automated tests passed locally on 27 October 2026.
Verification date: 27 October 2026. Tests cover the included fixtures and do not establish production performance.
What this demonstrates
Validates the supported metadata and reference rules. A passing lint report does not prove that a skill is safe or effective.
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