Extend Claude with skills changedskills
Nearest release: v2.1.322, published under an hour before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 10 Nov 2026 02:50 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 10 Nov 2026 03:07 UTC.
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1919Claude Code includes a set of bundled skills, such as `/doctor`, `/code-review`, `/batch`, `/debug`, `/loop`, and `/claude-api`. Bundled skills are prompt-based: they give Claude detailed instructions and let it orchestrate the work using its tools. Most built-in commands instead execute fixed logic directly.
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21You invoke a bundled skill the same way as any other skill, by typing `/` followed by the skill name. Claude invokes some bundled skills automatically when relevant; others, including `/verify`, run only when you invoke them, which keeps you in control of when these longer-running checks spend time and tokens.
21You invoke a bundled skill by typing `/` followed by the skill name. Claude invokes some bundled skills automatically when relevant; others, including [`/verify`](#run-and-verify-your-app), run only when you invoke them.
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2323Most bundled skills are available in every session. A few depend on a specific feature: `/workflow-authoring`, for example, is available only when [dynamic workflows](https://code.claude.com/docs/en/workflows.md) are enabled.
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