Establish build performance baselines and apply systematic optimization techniques. Only activate in MSBuild/.NET build context. USE FOR: diagnosing slow builds, establishing before/after measurements (cold, warm, no-op scenarios), applying optimization strategies like MSBuild Server, static graph builds, artifacts output, and dependency graph trimming.
Install
npx skills add dotnet/skills --skill build-perf-baselinenpx skills add dotnet/skills --skill build-perf-baseline -a claude-code -gnpx skills add dotnet/skills --skill build-perf-baseline -a codex -ggemini skills install https://github.com/dotnet/skills.git --path plugins/dotnet-msbuild/skills/build-perf-baselinegh skill install dotnet/skills build-perf-baselinegit clone --depth 1 https://github.com/dotnet/skills /tmp/dotnet__skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/dotnet__skills/plugins/dotnet-msbuild/skills/build-perf-baseline ~/.claude/skills/build-perf-baseline # Claude Code
cp -R /tmp/dotnet__skills/plugins/dotnet-msbuild/skills/build-perf-baseline ~/.agents/skills/build-perf-baseline # Codex, Cursor, Gemini CLI, Copilot, OpenCode