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Application performance optimization. Trigger when the user wants to improve speed, reduce latency, or optimize resources.
Codex または Claude でインストール この Prompt をコピーして Codex、Claude、または他のアシスタントに貼り付けると、Skill ページを確認してインストールできます。
SOC 職業分類に基づく
Multi-agent team orchestration with native Agent Teams. Trigger when the user wants to launch a team of agents, coordinate parallel work with inter-agent communication, or use swarm mode.
Perform a thorough code review. Use when the user requests a review, wants to verify code quality, or before merging a PR.
Context transfer between AI sessions. Trigger when the user wants to save the context, resume a task, or hand off the work to another session.
API mock configuration for tests. Trigger when the user wants to mock APIs, use MSW, or test without a backend.
Debug and resolve problems. Use when the user has a bug, an error, an unexpected behavior, or wants to understand why something is not working.
TDD development with Red-Green-Refactor cycle. Use to implement a feature by writing tests BEFORE the code. Trigger automatically when the user asks for TDD, wants to write tests first, mentions "test first", or asks to implement, add, create, fix, correct code, a new feature, a bugfix, or a functionality.
| name | qa-perf |
| description | Application performance optimization. Trigger when the user wants to improve speed, reduce latency, or optimize resources. |
| allowed-tools | ["Read","Write","Edit","Bash","Glob","Grep"] |
| context | fork |
| model | sonnet |
| argument-hint | [page-or-endpoint] |
Canonical thresholds, current Web Vitals (LCP/INP/CLS — note INP replaced FID in 2024), and Chrome perf-team remediation patterns are at:
addyosmani/web-quality-skills — github.com/addyosmani/web-quality-skills (MIT, 1.8k★, maintained by Addy Osmani — Chrome DevTools / Lighthouse engineering lead). Covers Core Web Vitals, perf, a11y, SEO.vercel-react-best-practices skill (foundation-installed) for React-specific patternsqa-perf is dispatched by qa-loop during the AUDIT phase, in parallel with qa-security / wcag-audit / qa-claudemd. It's a measurement workflow, not an optimisation cookbook:
argument-hint).| Metric | Good | Needs improvement | Poor | Tool |
|---|---|---|---|---|
| LCP (Largest Contentful Paint) | < 2.5s | 2.5–4s | > 4s | Lighthouse, web-vitals |
| INP (Interaction to Next Paint, replaces FID) | < 200ms | 200–500ms | > 500ms | web-vitals |
| CLS (Cumulative Layout Shift) | < 0.1 | 0.1–0.25 | > 0.25 | Lighthouse, web-vitals |
| TTFB | < 200ms | 200–600ms | > 600ms | DevTools Network |
qa-chrome skill — DevTools manual review (paired layer)dev-react-perf skill — React-specific re-render audit + memoization patternsops-monitoring — production perf instrumentation (OTEL, RUM)vercel-react-best-practices skill (foundation-installed)specs/marketplace-audit/qa-skills-pilot-2026-05-06.md