# SkillCheck > Validate Agent Skills for Claude Code, Cursor, VS Code, and the AI coding ecosystem. Catch issues before your users do. ## Docs - [How SkillCheck works](https://getskillcheck.com#how-it-works): Installation and usage for Free and Pro tiers - [What it checks](https://getskillcheck.com#what-it-checks): Structure, body, naming, semantic, quality, anti-slop, security, enterprise checks - [Pricing](https://getskillcheck.com#pricing): Free (MIT, unlimited), Pro ($79 lifetime), Team (coming soon) - [FAQ](https://getskillcheck.com#faq): Platform compatibility, MCP vs skills, CI/CD integration ## Code - [SkillCheck Free (GitHub)](https://github.com/olgasafonova/skillcheck-free): MIT-licensed skill file for Claude Code, Claude Desktop, Cursor - [Agent Skills spec](https://agentskills.io): The open standard SkillCheck validates against ## Key Facts - Free tier: Structure, body, naming, semantic, and basic quality validation - Pro tier: Anti-slop detection, security scanning, token budget, WCAG, enterprise readiness - Works as a skill file (Free) or Go MCP server binary (Pro) - No external API calls, no cloud dependency — runs locally - Built by Olga Safonova