From codex-next
Diagnose and improve build speed, cache behavior, bundle size, packaging output, and monorepo task execution.
How this skill is triggered — by the user, by Claude, or both
Slash command
/codex-next:dev-build-optimizationThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
Use this workflow when a build, bundle, compile, package, or monorepo task is slow, unstable, or too large.
Use this workflow when a build, bundle, compile, package, or monorepo task is slow, unstable, or too large.
Identify the build surface.
Establish a baseline.
Find bottlenecks.
Apply targeted improvements.
Validate before and after.
Return:
npx claudepluginhub blueskyxn/codex-is-all-you-need --plugin codex-nextGuides performance measurement and optimization workflows using Core Web Vitals targets. Use when profiling reveals bottlenecks or when load time budgets exist.
Generates bundle visualizations, analyzes chunk composition, enforces size budgets in CI, evaluates dependency cost before installing, and tracks bundle size over time.
Systematically measures, analyzes, and improves page loading speed, Core Web Vitals, bundle size, and runtime performance using Lighthouse audits and web performance best practices.