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Last updated June 10, 2026 · © 2026 Skillselion. Skillselion is an independent project and is not affiliated with Anthropic, OpenAI, Cursor, Claude, Claude Code, or Codex.

Skills/LEONARDOMSO/33 JS CONCEPTS

leonardomso/33-js-concepts

1 skill · 596 installs · 66.5k stars · GitHub

Install

npx skills add https://github.com/leonardomso/33-js-concepts

Skills in this repo

1Seo ReviewSEO Review is an agent skill that walks solo builders and technical writers through a focused SEO audit for JavaScript concept documentation pages. It is built for moments when you are about to ship a new explainer, refresh an old page that is not ranking, or run a periodic content review after a big rewrite. The workflow starts by defining a keyword cluster around a single concept, then applies a repeatable five-step methodology so titles, structure, and copy can earn visibility for high-intent developer searches. It emphasizes featured-snippet-friendly definitions, tutorial-style headings, and example-led content rather than generic blog filler. You get a checklist mindset instead of guessing what Google wants for “what is X in JavaScript” style queries. The skill fits content sites, docs products, and indie education projects where each page is a landing surface. Use it when SEO is part of your distribution plan, not when you only need raw JavaScript teaching without publish readiness.596installs