performance-budget-guard
Monitor bundle size and Core Web Vitals metrics during development, blocking deployments that exceed performance budgets with detailed reports. Automatically analyzes Next.js build output, checks bundle sizes against predefined budgets, and provides optimization recommendations. Hook triggers on PostToolUse for build-related operations and file changes that could affect performance.
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Install
armory install performance-budget-guard --cli claudewrites the file to.claude/hooks/performance-budget-guardListed as compatible
# fetches the hook script into:
.claude/hooks/performance-budget-guard
# then register it in your settings.json "hooks" block.↳ Add the hook entry to settings.json, then restart the harness.
Needs the armory CLI · not on npm yet, build it from cli/ in the repository
What it is
Monitor bundle size and Core Web Vitals metrics during development, blocking deployments that exceed performance budgets with detailed reports. Automatically analyzes Next.js build output, checks bundle sizes against predefined budgets, and provides optimization recommendations. Hook triggers on PostToolUse for build-related operations and file changes that could affect performance.
When to use it
Monitor bundle size and Core Web Vitals metrics during development, blocking deployments that exceed performance budgets with detailed reports. Automatically analyzes Next.js build output, checks bundle sizes against predefined budgets, and provides optimization recommendations. Hook triggers on PostToolUse for build-related operations and file changes that could affect performance.
How to install / invoke
# Wire this hook script into .claude/settings.json
curl -sL https://raw.githubusercontent.com/davila7/claude-code-templates/main/cli-tool/components/hooks/performance/performance-budget-guard.json -o .claude/hooks/performance-budget-guard.json
Notes
Extracted from davila7/claude-code-templates, performance category.