Audit Perf

Static performance audit of a route, page, server function, or module — finds N+1 query patterns, missing DB indexes for filtered/joined columns, oversized SELECT * fetches, blocking sequential awaits that could parallelize, unmemoized React hot-path computations, oversized client bundles from accidental server-only imports leaking to the client, and synchronous file/network reads inside request handlers. Reads files; does not run benchmarks. Reports findings ranked by likely impact with concrete fixes (add index on X, batch with dataloader, Promise.all these awaits, dynamic-import this dep, move this to the loader). Trigger phrases — "audit perf", "this page is slow", "why is this slow", "/audit-perf", "perf review", "find n+1", "check for performance issues", "audit query performance", "bundle size audit". Skip for — single-line tweaks, copy edits, infra-level perf (DB tuning, k8s sizing), and runtime profiling needs (recommend a real profiler).

mkdir -p ~/.claude/skills/audit-perf
curl -L https://claudskills.com/skills/audit-perf/SKILL.md \
  -o ~/.claude/skills/audit-perf/SKILL.md

@misc{audit-perf-2026,
  author    = {AgentSystemLabs},
  title     = {Audit Perf [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/audit-perf/}
}