Access Jewish calendar data and Shabbat times via Hebcal API. Use when building apps with Shabbat times, Jewish...

Build consistent design systems with tokens, components, and theming. Use when creating component libraries,...

Deploy and configure applications on Vercel. Use when deploying Next.js apps, configuring serverless functions,...

Build accessible web applications following WCAG guidelines. Use when implementing ARIA patterns, keyboard...

Analyzes codebases to understand structure, tech stack, patterns, and conventions. Use when onboarding to a new...

Designs REST and GraphQL APIs including endpoints, error handling, versioning, and documentation. Use when creating...

Designs and implements testing strategies for any codebase. Use when adding tests, improving coverage, setting up...

Manages Git workflows including branching, commits, and pull requests. Use when working with Git, creating commits,...

Patterns for parallel subagent execution using Task tool with run_in_background. Use when coordinating multiple...