High Quality Content by WIKIPEDIA articles! FxCop is a free static code analysis tool from Microsoft that checks .NET managed code assemblies for conformance to Microsoft`s .NET Framework Design Guidelines. Unlike the lint programming tool for the C programming language, FxCop analyzes the compiled object code, not the original source code. It uses CIL parsing, and callgraph analysis to inspect assemblies for more than 200 different possible coding standards violations in the following areas: