Python-focused skills by the spaCy creator including tighten-types, contract-docstrings, hypothesis-tests, mutation-testing, and pre-mortem analysis, with security-conscious .md.txt extension to prevent injection.
14 Apple-platform skills for Codex covering SwiftUI development, iOS debugging, React Native performance optimization, and Xcode project management with clean SKILL.md structure.
Web accessibility SKILL.md by real accessibility experts, ensuring AI coding assistants generate code that meets WCAG standards and accessibility best practices.
LambdaTest's TestMu AI skills collection that teaches AI coding assistants to write production-grade test automation, covering Selenium, Playwright, Appium, with local and cloud execution support.
Community-driven open library of AI agent skills with 977 SKILL.md files covering Claude Code, Codex, Gemini CLI, Cursor, and more, with continuously growing public skill collection.