chanjoongx

Perf Audit — Security skill for Claude Code

Security community

Baseline measurements + Top 5 bottlenecks per PERF.md (measurement-only, no edits).

How to install Perf Audit

Installs to ~/.claude/commands/chanjoongx-mdbrain-perf-audit.md

Terminal

mkdir -p ~/.claude/commands && curl -fsSL https://raw.githubusercontent.com/chanjoongx/mdbrain/HEAD/.claude/commands/perf-audit.md -o ~/.claude/commands/chanjoongx-mdbrain-perf-audit.md

Restart Claude Code, or start a new session, for it to be picked up.

What Perf Audit does

description: Baseline measurements + Top 5 bottlenecks per PERF.md (measurement-only, no edits) argument-hint: "[scope]"

Read `PERF.md` from the project root. Then delegate to the `perf-specialist` subagent with the following brief:

Perform a read-only Brownfield Phase 0 baseline on: $ARGUMENTS (defaults to the whole project).

Steps:

Check whether the project is runnable (npm run dev / npm run build / equivalent). If not, stop and ask the user to make it runnable first.
Inst

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