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.NET xUnit v2 to v3 Migration

Skill

Official .NET skill that moves test projects from xUnit.net v2 to xunit.v3 and fixes the breaking changes until tests pass.

by dotnetCoding & Dev Tools Listed Feb 3, 2026

Clone or download it from github.com, then drop the folder into ~/.claude/skills/ (Claude Code) or your agent's skills directory.

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About .NET xUnit v2 to v3 Migration

Official skill from dotnet/skills (dotnet-test-migration plugin).

  • Swaps packages to xunit.v3 (including Central Package Management setups)
  • Handles OutputType=Exe and keeps your existing VSTest or MTP runner
  • Fixes async void tests, custom Fact/Theory attributes and SkippableFact usage
  • Done means: everything compiles and the same tests pass as before

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