performance-testing

performance-testing is a plugin for Claude Code from pnakhat/qa-ai-repo. Its manifest loads nothing; the 1 skill, 1 agent it bundles cost 294 tokens per session together, scanned A, original, MIT.

A set of tests for measuring how a system behaves under normal and extreme use. It covers backend load with k6 and browser performance measures with Lighthouse, such as page loading and responsiveness.

In plain words
What is it for?
Use it for load, stress, soak, and spike tests, plus web performance checks. It helps define targets for latency, errors, throughput, and web vitals before testing.
Why use it?
It shows whether speed, capacity, and error targets hold under realistic traffic. CI thresholds can catch slowdowns before users encounter them, while percentiles reveal slow experiences hidden by averages.

Plugin for Claude Code

Written for Claude Code: a Claude Code plugin manifest.

Good fit Use it for load, stress, soak, and spike tests, plus web performance checks. It helps define targets for latency, errors, throughput, and web vitals before testing.

Compare 6 plugins from other repositories ↓
Install in Claude Code
/plugin marketplace add pnakhat/qa-ai-repo
/plugin install performance-testing
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Clone the repo
git clone --depth 1 https://github.com/pnakhat/qa-ai-repo

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for performance-testing

README.md
[![agentmods](https://agentmods.dev/badge/plugins/pnakhat/qa-ai-repo/performance-testing/github.svg)](https://agentmods.dev/plugins/pnakhat/qa-ai-repo/performance-testing)
Your own site
<a href="https://agentmods.dev/plugins/pnakhat/qa-ai-repo/performance-testing"><img src="https://agentmods.dev/badge/plugins/pnakhat/qa-ai-repo/performance-testing/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for performance-testing

Your own site · 80×15
<a href="https://agentmods.dev/plugins/pnakhat/qa-ai-repo/performance-testing"><img src="https://agentmods.dev/badge/plugins/pnakhat/qa-ai-repo/performance-testing.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session not measured What this adds to a session before it is invoked.
When invoked not measured The manifest loads nothing itself; its 1 skill, 1 agent cost 294 tokens a session between them.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Security

Grade A, and why

performance-testing scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 10d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

performance-testing/.claude-plugin/plugin.json · 18 lines

What it actually says

{
  "name": "performance-testing",
  "displayName": "Performance Testing",
  "version": "0.10.0",
  "description": "Prove a system meets its speed and scale targets under realistic load — backend load, stress, soak, and spike testing with k6, and frontend web-vitals with Lighthouse. Defines SLOs (p95/p99 latency, error rate, throughput/RPS, and LCP/INP/CLS) FIRST, models a workload from real traffic with think time and ramp stages, then expresses every threshold as a pass/fail CI gate so a regression blocks the pipeline instead of being noticed in production. Always reports percentiles, never averages, because an average hides the slow tail that users actually feel. Enforces guardrails against averages-over-percentiles, zero-think-time hammering, testing an under-provisioned or localhost environment and extrapolating to production, drawing a trend from a single run, and chasing latency while ignoring the error rate at load.",
  "author": {
    "name": "pnakhat"
  },
  "homepage": "https://github.com/pnakhat/qa-ai-repo/tree/main/performance-testing",
  "repository": "https://github.com/pnakhat/qa-ai-repo",
  "license": "MIT",
  "keywords": [
    "qa",
    "testing",
    "performance-testing"
  ]
}
Contents

What it installs

The manifest is a name and a version. 1 skill, 1 agent travel with it, and installing the plugin installs all of them — 294 tokens a session between them. Each is measured on its own page, and each can be installed alone.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 10d ago Changed 7f808acc9734
  2. 11d ago First seen · 18 lines scan A ee06dfa4c8d4

Subscribe to this mod's changes

performance-testing is a plugin published in the GitHub repository pnakhat/qa-ai-repo (2 stars, last pushed 10d ago), licensed MIT. Its token cost is not measured: this kind of file is read by the harness, not the model. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-10-06.