> For the complete documentation index, see [llms.txt](https://docs.wproofreader.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.wproofreader.com/v6.12.0/deployment/configuration/application-server.md).

# Application server

AppServer is the backend service that processes proofreading requests.

Most server-side behavior is configured in `AppServerX.xml`.

### Key topics

* [Main AppServer commands](/v6.12.0/deployment/configuration/application-server/main-appserver-commands.md)
* [AppServer parameters](/v6.12.0/deployment/configuration/application-server/appserver-parameters.md)
* [Access key](/v6.12.0/deployment/configuration/application-server/access-key.md)
* [Check kits](/v6.12.0/deployment/configuration/application-server/check-kits.md)
* [Enabling detailed errors logging](/v6.12.0/deployment/configuration/application-server/enabling-detailed-errors-logging.md)