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Test-driven development guidance — red-green-refactor workflow
Test-driven development guidance — red-green-refactor workflow
Playwright testing toolkit — test generation, flaky test fix, migration helpers
WCAG accessibility audit — automated scanning, manual review, remediation
Parallel development with git worktrees — port isolation, env sync, cleanup
1000+ skills curated from Anthropic, Vercel, Stripe, and other engineering teams