# Friday, 02 October 2009
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I had a lucky coincidence while speaking at Software Architect 2009. Four hours before I gave a talk on Contract First Design with WCF the WSCF Blue guys released version 1.0 of their tool. Contract first design is the most robust way to build services that potentially have to exist in a heterogeneous environment – it essentially means you start from the WSDL which means everyone can consume the service as no implementation details leak on to the wire. The major stumbling block in the WCF world has been there is no tool that can take a WSDL document and generate the skeleton of a service that implements the defined contract. Finally we have a released tool that does this very thing in the shape of WSCF Blue. In fact it can go further than that because writing WSDL by hand is too much like heavy lifting for many people – so WSCF Blue can also take one or more schema and runs a wizard to build a WSDL document that creates a contract based on the messages in the schema documents.

WSCF Blue solves a problem that has been there since WCF 3.0 and the great thing is that its free – being release on codeplex

Enjoy!

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