This plugin hasn’t been updated in over 2 years. It may no longer be maintained or supported and may have compatibility issues when used with more recent versions of WordPress.



XRDS-Simple is a profile of XRDS, a service discovery protocol which used
in the OpenID authentication specification as well as OAuth. This
plugin provides a generic framework to allow other plugins to contribute their
own service endpoints to be included in the XRDS service document for the


This plugin follows the standard WordPress installation method:

  1. Upload the xrds-simple folder to the /wp-content/plugins/ directory
  2. Activate the plugin through the ‘Plugins’ menu in WordPress


How do I contribute services to the XRDS document

Implement the filter ‘xrds_simple’, and see the public functions at the top of
the file.


It helped.

I was told during troubleshooting process for OpenID plugin, that XRDS-Simple was necessity for OpenID. I installed this plugin and now OpenID plugin is working again.


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Contributors & Developers

“XRDS-Simple” is open source software. The following people have contributed to this plugin.


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Interested in development?

Browse the code, check out the SVN repository, or subscribe to the development log by RSS.


Project maintined on github at

= version 1.2 (Jul 17, 2015)=
– allow ‘xri://$xrds*simple’ Type to be filtered out
– check if $_SERVER[‘HTTP_ACCEPT’] exist to avoid notice that break the xrds file

= version 1.1 (Nov 16, 2012)=
– fix various PHP and WordPress errors and warnings
– add ability to fetch plain text XRDS document (mainly for debugging. see example)

version 1.0 (Oct 7, 2008)

  • initial public release