> ## Documentation Index
> Fetch the complete documentation index at: https://wundergraphinc-brendan-add-external-directive.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Plugin

> Commands for working with gRPC plugins for the Cosmo Router

WunderGraph Cosmo CLI includes commands for working with gRPC plugins for the Cosmo Router.

<CardGroup>
  <Card title="Init" href="/cli/router/plugin/init" icon="file-circle-plus">
    Scaffold a new gRPC router plugin
  </Card>

  <Card title="Build" href="/cli/router/plugin/build" icon="hammer">
    Build a gRPC router plugin
  </Card>

  <Card title="Test" href="/cli/router/plugin/test" icon="vial">
    Run tests for a gRPC router plugin
  </Card>
</CardGroup>

For detailed documentation about gRPC plugins and how they work, see the [Router Plugins](/router/plugins) documentation.