Glossary changedglossary
Nearest release: v2.1.294, published under an hour after 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 8 Oct 2026 03:42 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 8 Oct 2026 03:58 UTC.
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211211### Output style
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213A configuration that changes the instructions Claude Code gives Claude, to set response behavior, tone, or format. Unlike [CLAUDE.md](#claude-md), which adds project context alongside Claude Code's default instructions, a custom output style can replace the default software engineering instructions.
213A configuration that changes the instructions Claude Code gives Claude, to set response behavior, tone, or format. Unlike [CLAUDE.md](#claude-md), which adds project context alongside Claude Code's default instructions, a custom output style adds its own instructions and can leave out the default software engineering instructions.
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215215Learn more: [Output styles](/docs/en/output-styles)
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