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eval-performance

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By dotnet/skills (GitHub) · coding · 5,870 stars · scanned at commit 96c3d68

Diagnose measured MSBuild evaluation cost before targets run. USE FOR: evaluation-only repeats under global-property variants, expensive node_modules/.git/bin/obj globs, import depth >20, /pp >10K lines, file-I/O property functions, five-phase evaluation. DO NOT USE FOR: duplicate executions (find-repeated-work-within-one-build), execution bottlenecks (build-perf-diagnostics), incremental rebuilds (incremental-build), non-MSBuild systems.

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'eval-performance' ] || [ -L ~/.agents/skills/'eval-performance' ]; then echo 'A skill folder named eval-performance already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/dotnet/skills' "$d" && git -C "$d" checkout --quiet '96c3d68dad2855e3ab5178aa1a262789d86a1466' -- 'plugins/dotnet-msbuild/skills/eval-performance' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/dotnet-msbuild/skills/eval-performance' ~/.agents/skills/'eval-performance' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'eval-performance' ~/.claude/skills/'eval-performance' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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