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Agent skills

Focused SKILL.md templates with safe boundaries.

Single-file skill templates with valid frontmatter, clear triggers, and no bundled scripts.

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External repositoryopenai/plugins

Incident response & observability

Web Perf

Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (FCP, LCP, TBT, CLS, Speed Index), identifies render-blocking resources, network dependency chains, layout…