Custom Slash Command Creator Overview Claude Code slash commands are markdown files with optional YAML frontmatter that create reusable workflows. Commands and skills are unified: files and directories both create slash commands. Skills are the recommended approach since they support additional features like supporting files, but single-file commands still work. When to use: Repeatable prompts, team workflow standardization, guardrailed operations (deploy, commit), multi-phase tasks, dynamic context injection with bash output. When NOT to use: Complex capabilities needing multiple files and s…