Bundled Skills - Claude Code
/simplify, /batch, /debug, /fast, and other built-in skills.
Claude Code ships with a small library of built-in skills for common workflows. You don't have to write them - they're there from the first session.
What it does
Skills like /simplify (review and simplify recent code changes), /batch (group similar edits), /debug (enable debug logging), and /fast (shift to faster mode) cover the patterns Anthropic has seen repeat across users. Run / in an interactive session to browse the full list.
When to use it
- Quick actions that would otherwise need a paragraph prompt.
- First-time users who want to see what Claude Code can do.
- Troubleshooting -
/debugis often the fastest path to logs. - Inspiration for your own skill library.
Gotchas
- Built-in skill names can collide with custom skills. Use plugin namespaces if you ship your own.
- Some bundled skills require specific plans or features (Opus, fast mode).
- The list evolves between releases. Check the menu after upgrades.
Official docs: https://code.claude.com/docs/en/interactive-mode.md#commands
Technical content at the intersection of AI and development. Building with AI agents, Claude Code, and modern dev tools - then showing you exactly how it works.
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