> ## Documentation Index
> Fetch the complete documentation index at: https://launchdarkly.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# SDK features

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This category contains documentation topics explaining the features available in LaunchDarkly SDKs.

For a summary of which versions of each SDK support which features, read [Supported features](/docs/sdk#supported-features).

For a comparison of the different kinds of SDKs available, read [Choosing an SDK type](/docs/sdk/concepts/client-side-server-side).

## Supported features

LaunchDarkly SDKs support the following features:

* [SDK configuration](/docs/sdk/features/config)
* [Agent skills](/docs/sdk/features/agent-skills)
* [Aliasing users](/docs/sdk/features/aliasing-users)
* [Anonymous contexts and users](/docs/sdk/features/anonymous)
* [Automatic environment attributes](/docs/sdk/features/environment-attributes)
* [Big segments](/docs/sdk/features/big-segments)
* [Bootstrapping](/docs/sdk/features/bootstrapping)
* [Context configuration](/docs/sdk/features/context-config)
* [Customizing AgentControl configs](/docs/sdk/features/agentcontrol-config)
* [Data saving mode](/docs/sdk/features/data-saving-mode)
* [Flag variation evaluation](/docs/sdk/features/evaluating)
* [Flag variation evaluation details](/docs/sdk/features/evaluation-reasons)
* [Flushing events](/docs/sdk/features/flush)
* [Getting all flags](/docs/sdk/features/all-flags)
* [Hooks](/docs/sdk/features/hooks)
* [Identifying and changing contexts](/docs/sdk/features/identify)
* [Inspectors](/docs/sdk/features/inspectors)
* [Logging configuration](/docs/sdk/features/logging)
* [Migrations](/docs/sdk/features/migrations)
* [Monitoring SDK status](/docs/sdk/features/monitoring)
* [Multiple environments](/docs/sdk/features/multiple-environments)
* [Offline mode](/docs/sdk/features/offline-mode)
* [OpenTelemetry](/docs/sdk/features/opentelemetry-server-side)
* [Private attributes](/docs/sdk/features/private-attributes)
* [Reading flags from a file](/docs/sdk/features/flags-from-files)
* [Relay Proxy configuration](/docs/sdk/features/relay-proxy-configuration)
* [Secure mode](/docs/sdk/features/secure-mode)
* [Tracking custom events](/docs/sdk/features/events)
* [Shutting down](/docs/sdk/features/shutdown)
* [Storing data](/docs/sdk/features/storing-data)
* [Subscribing to flag changes](/docs/sdk/features/flag-changes)
* [Test data sources](/docs/sdk/features/test-data-sources)
* [Tracking AI metrics](/docs/sdk/features/ai-metrics)
* [Web proxy configuration](/docs/sdk/features/web-proxy)