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build-perf-diagnostics

95 / 100 · Low risk

Fine to try.

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

Diagnose MSBuild bottlenecks from binlog timelines and Target/Task Performance Summaries after baseline measurements. USE FOR: unknown build slowness, RAR >5s, analyzers >30% of Csc, a target >50% of build, node utilization below 80%, excessive Copy, restore overhead. DO NOT USE FOR: within-build duplicates (find-repeated-work-within-one-build), known repeated restores (eliminate-redundant-restores), initial baselines (build-perf-baseline), incremental rebuilds (incremental-build), parallelism …

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/'build-perf-diagnostics' ] || [ -L ~/.agents/skills/'build-perf-diagnostics' ]; then echo 'A skill folder named build-perf-diagnostics 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 "$d" checkout --quiet '96c3d68dad2855e3ab5178aa1a262789d86a1466' -- 'plugins/dotnet-msbuild/skills/build-perf-diagnostics' && mkdir -p ~/.agents/skills && cp -R "$d"/'plugins/dotnet-msbuild/skills/build-perf-diagnostics' ~/.agents/skills/'build-perf-diagnostics' && 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/'build-perf-diagnostics' ~/.claude/skills/'build-perf-diagnostics' (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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