Agent Skills
Addy Osmani's production-grade engineering skills for AI coding agents — 21 skills covering the full software development lifecycle: spec-driven-development, source-driven-development, context-engineering, idea-refine, incremental-implementation, test-driven-development, code-review-and-quality, code-simplification, security-and-hardening, debugging-and-error-recovery, performance-optimization, api-and-interface-design, frontend-ui-engineering, browser-testing-with-devtools, ci-cd-and-automation, deprecation-and-migration, documentation-and-adrs, git-workflow-and-versioning, planning-and-task-breakdown, shipping-and-launch, using-agent-skills. Vendored snapshot at third-party/addy-agent-skills/ pinned to upstream SHA 742dca5 (v1.0.0).