Guide for creating Claude Code skills following Anthropic's official best practices. Use when user wants to create a new skill, build a skill, write SKILL.md, update an existing skill, or needs skill creation guidelines. Provides structure, frontmatter fields, naming conventions, and new features like dynamic context injection and subagent execution.
Install
npx skills add fvadicamo/dev-agent-skills --skill creating-skillsnpx skills add fvadicamo/dev-agent-skills --skill creating-skills -a claude-code -gnpx skills add fvadicamo/dev-agent-skills --skill creating-skills -a codex -ggemini skills install https://github.com/fvadicamo/dev-agent-skills.git --path plugins/skill-authoring/skills/creating-skillsgh skill install fvadicamo/dev-agent-skills creating-skillsgit clone --depth 1 https://github.com/fvadicamo/dev-agent-skills /tmp/fvadicamo__dev-agent-skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/fvadicamo__dev-agent-skills/plugins/skill-authoring/skills/creating-skills ~/.claude/skills/creating-skills # Claude Code
cp -R /tmp/fvadicamo__dev-agent-skills/plugins/skill-authoring/skills/creating-skills ~/.agents/skills/creating-skills # Codex, Cursor, Gemini CLI, Copilot, OpenCode