Detects duplicate boilerplate, copy-paste tests, and structural maintainability issues across .NET test suites. Use when the user asks to reduce repetition, consolidate similar test methods, convert copy-paste tests to data-driven parameterized tests, suggest a better test structure, or identify refactoring opportunities.
Install
npx skills add dotnet/skills --skill exp-test-maintainabilitynpx skills add dotnet/skills --skill exp-test-maintainability -a claude-code -gnpx skills add dotnet/skills --skill exp-test-maintainability -a codex -ggemini skills install https://github.com/dotnet/skills.git --path plugins/dotnet-experimental/skills/exp-test-maintainabilitygh skill install dotnet/skills exp-test-maintainabilitygit clone --depth 1 https://github.com/dotnet/skills /tmp/dotnet__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/dotnet__skills/plugins/dotnet-experimental/skills/exp-test-maintainability ~/.claude/skills/exp-test-maintainability # Claude Code
cp -R /tmp/dotnet__skills/plugins/dotnet-experimental/skills/exp-test-maintainability ~/.agents/skills/exp-test-maintainability # Codex, Cursor, Gemini CLI, Copilot, OpenCode