# Build Perf Baseline (agent skill)

> Build Perf Baseline is an agent skill (a SKILL.md file) from dotnet/skills. Establish MSBuild/.NET build performance baselines before optimizing. It works with Claude Code, Codex, Cursor and GitHub Copilot and has 5,568 GitHub stars across a repository of 4 listed skills.

Establish MSBuild/.NET build performance baselines before optimizing. USE FOR: a .NET build or solution that is slow or has build-performance concerns; cold, warm, incremental, or no-op measurements; before/after comparisons; CI build output caching; static graph build decisions; artifacts output; and dependency graph trimming. Start here before build-perf-diagnostics, incremental-build, or build-parallelism. DO NOT USE for webpack, npm, JavaScript bundlers, or other non-MSBuild build systems.

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/dotnet/skills |
| Skill path | plugins/dotnet-msbuild/skills/build-perf-baseline/SKILL.md |
| Skill name | build-perf-baseline |
| GitHub stars | 5,568 |
| Installs on skills.sh | not listed |
| License | MIT |
| Skills in repo | 4 |
| Plugin marketplace | dotnet-agent-skills |
| Official | yes |
| Works with | Claude Code, Codex, Cursor, GitHub Copilot |
| Category | Data & analysis |
| Last commit | Oct 6, 2026 |

## When it triggers

- USE for webpack, npm, JavaScript bundlers, or other non-MSBuild build systems.

## Add this skill

### Claude Code

```sh
/plugin marketplace add dotnet/skills
/plugin install dotnet-msbuild@dotnet-agent-skills
```

In the Claude apps, zip the skill folder and upload it under Customize > Skills > + > Upload a skill (code execution must be on).

### ChatGPT / Codex

```sh
git clone --depth 1 https://github.com/dotnet/skills.git
cp -r skills/plugins/dotnet-msbuild/skills/build-perf-baseline .agents/skills/build-perf-baseline   # repo; ~/.agents/skills for all projects
```

### Cursor

```sh
git clone --depth 1 https://github.com/dotnet/skills.git
cp -r skills/plugins/dotnet-msbuild/skills/build-perf-baseline .cursor/skills/build-perf-baseline   # project; ~/.cursor/skills for all projects
```

Sources (checked 2026-10-07): https://code.claude.com/docs/en/skills, https://support.claude.com/en/articles/12512180-using-skills-in-claude, https://learn.chatgpt.com/docs/build-skills, https://cursor.com/docs/context/skills

---

Canonical page: https://appsgit.com/skills/dotnet-build-perf-baseline
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