Skills

OpenAI's curated Skills catalog for Codex, including research, deployment, document, and development tools.

Claude Skills is a cross-platform collection of hundreds of skills, agents, commands, and scripts spanning engineering, product, marketing, research, compliance, finance, and daily productivity.

Convert technical books, PDFs, document folders, and source collections into structured Agent Skills that Codex, Claude Code, GitHub Copilot CLI, and Amp can load on demand.