Administration of WCF

I have many WCF sites, but i need to administrate this sites, to specify your actions, to have an inventory, like the metada of every one i read something about ESB in Biztalk, bu开发者_StackOverflow中文版t my problem is the cost. Exist some alternative to manage this situation?

Any help or sugestion, please Thanks

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Windows Server AppFabric can help to a certain degree, or you might want to look at other tools out there like SO-Aware