Loop engineering is the new buzzword after prompt and context engineering, but loops only run on solid AI Skills. This article breaks down 9 free AI Skills for Claude Code and Codex, covering coding, writing, research, design, and animation, each with real X examples and a clear install path. 🧱

We'll talk about:

• What separates an AI Skill from an AI Plugin
• How to install an AI Skill in a few simple steps
• GStack, the AI Skill that simulates a full engineering team
• Stop Slop, the AI Skill that removes the AI tone from writing
• Graphify, the AI Skill that turns a folder into a knowledge graph
• Understand Anything, the AI Skill that maps a codebase visually
• Last 30 Days, the AI Skill for real-time research on X and Reddit
• Front End Design and Taste Skill, ...