skill-linter
✓Validate skills against agentskills.io specification. Use when adding new skills to the marketplace, reviewing skill PRs, checking skill compliance, or running quality gates on skills. Validates frontmatter fields (name, description, license, compatibility, metadata, allowed-tools), directory naming, line limits, and structure.
Installation
SKILL.md
| name | 1-64 chars, lowercase alphanumeric + hyphens, no leading/trailing/consecutive hyphens, must match parent directory name | | description | 1-1024 chars, non-empty, should include keywords for discoverability |
| license | Short license name or file reference | | compatibility | 1-500 chars, environment requirements | | metadata | Key-value pairs (string values only) | | allowed-tools | Space-delimited tool list |
| Directory name | Must match name field exactly | | SKILL.md | Required, must exist | | Line limit | Max 500 lines in SKILL.md | | Subdirectories | Only scripts/, references/, assets/ allowed |
Validate skills against agentskills.io specification. Use when adding new skills to the marketplace, reviewing skill PRs, checking skill compliance, or running quality gates on skills. Validates frontmatter fields (name, description, license, compatibility, metadata, allowed-tools), directory naming, line limits, and structure. Source: majesticlabs-dev/majestic-marketplace.
Facts (cite-ready)
Stable fields and commands for AI/search citations.
- Install command
npx skills add https://github.com/majesticlabs-dev/majestic-marketplace --skill skill-linter- Category
- </>Dev Tools
- Verified
- ✓
- First Seen
- 2026-02-01
- Updated
- 2026-02-18
Quick answers
What is skill-linter?
Validate skills against agentskills.io specification. Use when adding new skills to the marketplace, reviewing skill PRs, checking skill compliance, or running quality gates on skills. Validates frontmatter fields (name, description, license, compatibility, metadata, allowed-tools), directory naming, line limits, and structure. Source: majesticlabs-dev/majestic-marketplace.
How do I install skill-linter?
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/majesticlabs-dev/majestic-marketplace --skill skill-linter Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code or Cursor
Where is the source repository?
https://github.com/majesticlabs-dev/majestic-marketplace
Details
- Category
- </>Dev Tools
- Source
- skills.sh
- First Seen
- 2026-02-01