This skill should be used when the user asks to "create a slash command", "add a command", "write a custom command", "define command arguments", "use command frontmatter", "organize commands", "create command with file references", "interactive command", "use AskUserQuestion in command", or needs guidance on slash command structure, YAML frontmatter fields, dynamic arguments, bash execution in…
Install
npx skills add anthropics/claude-code --skill 'Command Development'npx skills add anthropics/claude-code --skill 'Command Development' -a claude-code -gnpx skills add anthropics/claude-code --skill 'Command Development' -a codex -ggemini skills install https://github.com/anthropics/claude-code.git --path plugins/plugin-dev/skills/command-developmentgh skill install anthropics/claude-code 'Command Development'git clone --depth 1 https://github.com/anthropics/claude-code /tmp/anthropics__claude-code
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/anthropics__claude-code/plugins/plugin-dev/skills/command-development ~/.claude/skills/'Command Development' # Claude Code
cp -R /tmp/anthropics__claude-code/plugins/plugin-dev/skills/command-development ~/.agents/skills/'Command Development' # Codex, Cursor, Gemini CLI, Copilot, OpenCode