Measure plugin cost and usage changedplugins/measure
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### OpenTelemetry events for plugin installs and use
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77This page is for plugin authors and maintainers. If you administer Claude Code for an organization, [Measure across a fleet](#measure-across-a-fleet) covers the same questions across every machine.
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9<Note>
10 These cases are covered on other pages:
9> [!NOTE]
10>
11> These cases are covered on other pages:
12>
13> * **Testing how reliably the plugin changes Claude's behavior**: see [Test plugins with evals](/docs/en/plugin-evals)
14> * **Trimming your own session's context**: see [Manage installed plugins](/docs/en/plugins/install#manage-installed-plugins) and the [context window](/docs/en/context-window) page
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12 * **Testing how reliably the plugin changes Claude's behavior**: see [Test plugins with evals](/docs/en/plugin-evals)
13 * **Trimming your own session's context**: see [Manage installed plugins](/docs/en/plugins/install#manage-installed-plugins) and the [context window](/docs/en/context-window) page
14</Note>
15
1616Start with [Measure what a plugin costs](#measure-what-a-plugin-costs).
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1818## Measure what a plugin costs
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121121* **OpenTelemetry events**: Claude Code exports these to your own backend once you [configure an exporter](/docs/en/monitoring-usage). See [OpenTelemetry events for plugin installs and use](#pick-the-opentelemetry-event-for-each-question).
122122* **Analytics API**: served from Anthropic's records, with no exporter needed. See [Query the Analytics API](#query-the-analytics-api).
123123
124<h3 id="pick-the-opentelemetry-event-for-each-question">
125 OpenTelemetry events for plugin installs and use
126</h3>
124### OpenTelemetry events for plugin installs and use
127125
128126These OpenTelemetry events and attributes answer each plugin question from your backend:
129127
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