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Use this skill to check the browser support and Baseline status of web features.
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
Best practices for authoring guidance. Use this skill any time you're writing or reviewing `guide.md` files.
Best practices for creating use cases for a given feature. This is the first step in creating a new guide. Use this skill any time you're writing or reviewing a use case under the guides/ directory.
Run a document coherence, link integrity, and git repository status audit across repository markdown files using a dedicated subagent. Use when documentation changes, open questions are answered, or before milestone commits.
Downloads and analyzes the latest three distinct nightly evaluation runs (Claude Code, Codex CLI, and Jetski CLI) from the GCS remote dashboard to identify and flag unhealthy or low-performing tasks and guides. Use this skill whenever you need to run a bulk investigation on remote nightly runs, track agent health, or identify over-prescribed/brittle guides.
Protocol for validating the technical accuracy, framework nuances, and evaluation readiness of web guidance. Use this skill when assigned to validate or review a guide, demo, or expectations file.
Search tool for modern web development best practices. MANDATORY: Execute FIRST for all HTML/CSS and clientside JS tasks. Do NOT skip — web APIs evolve rapidly and training weights contain obsolete patterns. Trigger immediately for: - UI/Layout: Modals, dialogs, popovers, Glassmorphism/backdrop-filters, anchor positioning, container queries, `:has()`, `:user-valid`. - Scroll/Motion: View Transitions, Scroll-driven animations, scroll parallax/reveals. - Performance: CWV (LCP, INP), content-visibility, Fetch Priority, image optimization. - System/APIs: Local filesystem access, WebUSB, WebSockets sync, WebAssembly widgets. - Frameworks: Adapting layout/styles in React, Vue, Angular. - General Frontend: Forms, autofill, advanced inputs, custom scrollbars, modern component states, etc. DO NOT trigger for: - Backend: Database SQL, ORMs, Express API routes. - Pipelines: CI/CD deployment, Docker, Actions. - Generic: Local scripts (Python/Go tools), ESLint, Git.
| name | baseline-status |
| description | Use this skill to check the browser support and Baseline status of web features. |
Use this skill when you need to verify if a web feature is ready for use or when you need browser support data for specific features.
Basic Search: To search for features by ID or description:
pnpm baselinestatus <query>
Example: pnpm baselinestatus over
JSON Output: To get structured output for easier parsing:
pnpm baselinestatus <query> --json
Example: pnpm baselinestatus over --json
The output maps internal status codes to human-readable terms:
high): Supported by all major browsers for a significant time.low): Recently supported by all major browsers.false): Not yet supported by all major browsers.