# SDK extension plugins (/en/realtime-media/sdk-extensions)

> For AI agents: see the complete documentation index at [llms.txt](/llms.txt).

## What this capability is [#what-this-capability-is]

SDK extension plugins sit on top of the core real-time SDK stack and help teams extend functionality or add richer experience layers.

## Common scenarios [#common-scenarios]

* customized audio-video effects
* extension-based capability integration
* fast access to third-party enhancement modules

## What to read first [#what-to-read-first]

If the main real-time path is already chosen and the next need is experience enhancement, extension plugins are the right place to continue.