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HomeDocsClaude Code CLI 24 Sep 2026
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Scan your codebase for vulnerabilities changedclaude-security

Nearest release: v2.1.282, published 7 hours 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 24 Sep 2026 23:46 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 25 Sep 2026 00:07 UTC.

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1919 
2020## Install the plugin
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22In a Claude Code session, install from the [official Anthropic marketplace](/docs/en/discover-plugins#official-anthropic-marketplace):
22In a Claude Code session, install from the [official Anthropic marketplace](/docs/en/plugins/anthropic-marketplaces):
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2424```text theme={null}
2525/plugin install claude-security@claude-plugins-official
2626```
2727 
28The command opens the plugin's details, where you choose an [installation scope](/docs/en/discover-plugins#install-plugins) to start the install.
28The command opens the plugin's details, where you choose an [installation scope](/docs/en/plugins/install#install-a-plugin) to start the install.
2929 
3030If the install fails, the fix depends on which message Claude Code reports:
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3232* If it reports `Marketplace "claude-plugins-official" not found`, add the marketplace with `/plugin marketplace add anthropics/claude-plugins-official`, then retry the install.
33* If it reports that it [can't find the plugin in the marketplace](/docs/en/discover-plugins#install-plugins), check the plugin name for a typo.
33* If it reports that it [can't find the plugin in the marketplace](/docs/en/plugins/install#install-a-plugin), check the plugin name for a typo.
3434 
35Check the install summary. If it reports `Run /reload-plugins to activate.`, see [Apply plugin changes without restarting](/docs/en/discover-plugins#apply-plugin-changes-without-restarting) to activate the plugin in your current session.
35Check the install summary. If it reports `Run /reload-plugins to activate.`, see [Apply plugin changes without restarting](/docs/en/plugins/cli-reference#reload-plugins) to activate the plugin in your current session.
3636 
3737Once the plugin is active, you're ready to [scan and fix your codebase](#scan-and-fix-your-codebase).
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140140* [Code Review](/docs/en/code-review): set up the PR-time multi-agent review
141141* [Claude Security](https://claude.com/product/claude-security): the managed service that monitors connected repositories
142142* [Claude Code security](/docs/en/security): how Claude Code approaches trust, permissions, and safeguards
143* [Discover and install plugins](/docs/en/discover-plugins#official-anthropic-marketplace): browse other official plugins
143* [Install and manage plugins](/docs/en/plugins/install): find and install other plugins from the official marketplace
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