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Plugins in the SDK changedagent-sdk/plugins

Nearest release: v2.1.311, 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 26 Oct 2026 18:49 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 26 Oct 2026 19:07 UTC.

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### Add plugins to a running session

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6767> The path should point to the plugin's root directory: the parent of `skills/`, `agents/`, `hooks/`, `commands/`, or `.claude-plugin/`.
6868 
69### Add plugins to a running session
70 
71In the TypeScript SDK, call [`reloadPlugins()`](https://code.claude.com/docs/en/agent-sdk/typescript#load-more-plugin-folders-with-addplugins) on the `Query` object that `query()` returned, and list the plugin directory in that call's `addPlugins` option. Each `addPlugins` entry is a `{ type: "local", path }` object with an absolute `path`. Requires TypeScript Agent SDK v0.3.301 or later.
72 
73In this example, `q` is the `Query` object that `query()` returned. The example adds one plugin directory to the running session and, after `reloadPlugins()` returns, prints the path of every plugin in the session:
74 
75```typescript theme={null}
76const result = await q.reloadPlugins({
77 addPlugins: [{ type: "local", path: "/home/user/plugins/another-plugin" }]
78});
79 
80console.log(result.plugins.map((plugin) => plugin.path));
81```
82 
83If the plugin loaded, the printed list includes `/home/user/plugins/another-plugin`. If that path is missing from the list, or `reloadPlugins()` rejects, see [When `reloadPlugins()` doesn't load the `addPlugins` folders](https://code.claude.com/docs/en/agent-sdk/typescript#when-reloadplugins-doesnt-load-the-addplugins-folders) for the causes.
84 
6985## Verifying plugin installation
7086 
7187When plugins load successfully, they appear in the system initialization message. You can verify that your plugins are available:
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