Guide for creating valid skills. This skill should be ALWAYS used when users want to create a new skill or update an existing skill that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations. Use it everytime you need to modify anything in ".claude/skills" folder
Install
npx skills add shredbx/demo-3d-model --skill claude-skill-managernpx skills add shredbx/demo-3d-model --skill claude-skill-manager -a claude-code -gnpx skills add shredbx/demo-3d-model --skill claude-skill-manager -a codex -ggemini skills install https://github.com/shredbx/demo-3d-model.git --path .claude/skills/claude-skill-managergh skill install shredbx/demo-3d-model claude-skill-managergit clone --depth 1 https://github.com/shredbx/demo-3d-model /tmp/shredbx__demo-3d-model
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/shredbx__demo-3d-model/.claude/skills/claude-skill-manager ~/.claude/skills/claude-skill-manager # Claude Code
cp -R /tmp/shredbx__demo-3d-model/.claude/skills/claude-skill-manager ~/.agents/skills/claude-skill-manager # Codex, Cursor, Gemini CLI, Copilot, OpenCode