Best Agent Skills (For Claude Code, Cursor & Codex)

GitHub repositories provide agent skills for Claude Code and Cursor, used for AI-driven tasks including code generation, refactoring, debugging, and workflow automation in development environments. Included are open-source repositories offering modular, integrable skill sets; excluded are proprietary tools, general-purpose prompts, repositories for other AI models, and non-repository resources. Choose based on compatibility with specific Claude and Cursor versions, breadth of skills covered, and frequency of updates.