Constrain plugin dependency versions changedplugin-dependencies
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55A plugin can depend on other plugins by listing them in `plugin.json` or in its marketplace entry. By default, a dependency tracks the latest available version, so an upstream release can change the dependency under your plugin without warning. Version constraints let you hold a dependency at a tested version range until you choose to move.
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7When you install a plugin that declares dependencies, Claude Code resolves and installs them automatically, apart from a dependency whose marketplace entry has a [`command` source](/docs/en/plugin-marketplaces#how-users-accept-the-command) or a [`headersHelper`](/docs/en/plugin-marketplaces#how-users-accept-a-headershelper-command), which you install yourself first. If a dependency later goes missing, `/reload-plugins` and the background plugin auto-update reinstall it, provided its marketplace is already in your configured marketplaces. Re-running `claude plugin install` on the dependent plugin, or adding a marketplace with `claude plugin marketplace add`, also resolves any outstanding missing dependencies. Dependencies from a marketplace you have not added are left unresolved.
7When you install a plugin that declares dependencies, Claude Code resolves and installs them automatically, apart from a dependency whose marketplace entry has a [`command` source](/docs/en/plugin-marketplaces#how-users-accept-the-command) or a [`headersHelper`](/docs/en/plugin-marketplaces#how-users-accept-a-headershelper-command), which you install yourself first. Later, `/reload-plugins`, auto-update of the dependent plugin's marketplace, re-running `claude plugin install` on the dependent plugin, and `claude plugin marketplace add` each install any declared dependency that isn't installed yet, under the same rules; if one stays unresolved, see [Resolve dependency errors](#resolve-dependency-errors).
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99This guide is for plugin authors who declare dependencies in `plugin.json` and for marketplace maintainers who tag releases. Dependencies here are other plugins; for the npm and Bun packages a plugin itself uses, see [Node.js package dependencies](/docs/en/plugins-reference#node-js-package-dependencies). To install plugins that have dependencies, see [Discover and install plugins](/docs/en/discover-plugins). For the full manifest schema, see the [Plugins reference](/docs/en/plugins-reference).
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