How to Use add-skill: Instantly Boost Your AI Coding Agents in 2026

How to Use add-skill to Instantly Add Powerful Skills to Your AI Coding Agents If you’re working with AI coding assistants like Cursor, Claude Code, OpenCode, Codex, GitHub Copilot, or any of the other 20+ supported tools in 2026, you’ve probably noticed something: they’re incredibly capable generalists, but they often need specific guidance to match your team’s conventions, project standards, or workflow preferences. That’s where Agent Skills come in — a shared, open format that packages reusable instructions into neat, portable modules. Each skill lives in its own folder with one key file: SKILL.md. Inside that file you’ll find clear …