# Perf Baseline Manager

> Use when managing perf baselines, consolidating results, or comparing versions. Ensures one baseline JSON per version.

- Skill: `majiayu000/perf-baseline-manager` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/perf-baseline-manager`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/perf-baseline-manager/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/perf-baseline-manager

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# perf-baseline-manager

Manage baseline storage and comparison.

Follow `docs/perf-requirements.md` as the canonical contract.

## Required Rules

- One baseline JSON per version.
- Store under `{state-dir}/perf/baselines/<version>.json`.
- Record metrics + environment metadata.

## Output Format

```
baseline_version: <version>
metrics: <summary>
file: <path>
```

## Constraints

- Overwrite older baseline for the same version.
- Do not create multiple files for one version.