http-load-tester

http-load-tester is a skill for Claude Code, Codex from serejaris/kimi-skills. It costs 146 tokens per session (1,894 once invoked), scanned B, original, MIT.

A command-line tool for gradually increasing the number of simultaneous requests sent to an HTTP service, such as an API or website.

In plain words
What is it for?
Use it to run stepped load tests with wrk or Apache Bench, collect p50, p90, and p99 latency, detect performance limits, and produce a report with a suggested concurrency level.
Why use it?
It shows how response speed, throughput, and errors change under increasing traffic, helping reveal where a service starts to struggle.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to run stepped load tests with wrk or Apache Bench, collect p50, p90, and p99 latency, detect performance limits, and produce a report with a suggested concurrency level.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/serejaris/kimi-skills/http-load-tester
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.

Any agent
npx skills add serejaris/kimi-skills --skill http-load-tester
Clone the repo
git clone --depth 1 https://github.com/serejaris/kimi-skills

Made for: Claude Code, Codex.

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 http-load-tester

README.md
[![agentmods](https://agentmods.dev/badge/skills/serejaris/kimi-skills/http-load-tester/github.svg)](https://agentmods.dev/skills/serejaris/kimi-skills/http-load-tester)
Your own site
<a href="https://agentmods.dev/skills/serejaris/kimi-skills/http-load-tester"><img src="https://agentmods.dev/badge/skills/serejaris/kimi-skills/http-load-tester/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 http-load-tester

Your own site · 80×15
<a href="https://agentmods.dev/skills/serejaris/kimi-skills/http-load-tester"><img src="https://agentmods.dev/badge/skills/serejaris/kimi-skills/http-load-tester.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 146 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,894 The whole file, excluding the scripts and references it only reads on demand.
Security scan B 1 finding. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00146 $0.01894
Opus 5 $0.00073 $0.00947
Sonnet 5 $0.00029 $0.00379
Haiku 4.5 $0.00015 $0.00189

Measured 7d ago against content hash b4c93a6e3bf2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-10, from the pricing page.

Security

Grade B, and why

http-load-tester scanned grade B with 1 finding 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 7d ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/http_benchmark.py), listed below but not scanned — reading those needs a real analyzer, not pattern matching.

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.

Asks for rootmediumPrivilege escalation

A mod that escalates privileges can change anything on the machine, not only the project.

sudo apt-get install wrk # 推荐
skills/http-load-tester/SKILL.md · 152 lines

How it starts

The opening of the file, as written. The whole thing — 152 lines — stays where its author put it; the contents beside it link to each section on GitHub.

HTTP Benchmark — 阶梯式并发压测 + 拐点分析

对 HTTP 服务执行阶梯式并发压力测试,自动采集延迟百分位数并检测性能拐点。

功能

  • 双引擎支持:自动检测 wrk(优先)或 ab(Apache Bench),也可手动指定
  • 阶梯式并发:按用户定义的并发梯度逐级加压(默认 1→10→50→100→200→500)
  • 延迟百分位:每级采集 p50 / p90 / p99 延迟
  • 拐点分析:自动检测三类性能拐点
    • p99 延迟加速增长(增幅超前一级 2 倍)
    • 吞吐效率显著下降(RPS/连接数降幅 > 40%)
    • 吞吐量饱和但延迟激增(RPS 增长 < 10%,p99 增长 > 50%)
    • 错误率飙升(超 1% 且翻倍)
  • 最优并发建议:根据拐点自动推荐最佳并发数
  • 零 Python 依赖:纯标准库实现

Quick Start

# 基本用法 — 对目标 URL 执行默认阶梯压测
python3 scripts/http_benchmark.py https://example.com/api/health

# 自定义并发阶梯和每级持续时间
python3 scripts/http_benchmark.py https://example.com/api/health -s 5,20,50,100,300 -d 15

# 指定使用 ab 引擎
python3 scripts/http_benchmark.py https://example.com/ -t ab

# 仅输出 JSON(适合程序化解析)
python3 scripts/http_benchmark.py https://example.com/api/health --json

# 使用 ab 且指定每阶段请求总数
python3 scripts/http_benchmark.py https://example.com/ -t ab -n 5000

# 将 JSON 报告保存到文件
python3 scripts/http_benchmark.py https://example.com/api/health --json > report.json

参数说明

参数 短参 默认值 说明
url (必填) 目标 URL(http:// 或 https://)
--steps -s 1,10,50,100,200,500 并发阶梯(逗号分隔正整数)
--duration -d 10 每阶段持续秒数(wrk 直接使用;ab 据此估算请求数)
--requests -n concurrency×100 使用 ab 时每阶段总请求数
--tool -t 自动检测 指定压测工具:wrkab
--threads min(并发, CPU核数) wrk 线程数
--json false 仅输出 JSON 格式

输出格式

人类可读(默认)

压测工具: wrk
目标 URL: https://example.com/api/health
并发阶梯: [1, 10, 50, 100, 200, 500]
每阶段持续: 10s

----------------------------------------------------------------------------------
  并发 |        RPS |  Avg(ms) |  P50(ms) |  P90(ms) |  P99(ms) |   错误率 | 拐点
----------------------------------------------------------------------------------
     1 |      245.3 |      4.1 |      3.8 |      5.2 |      8.1 |   0.00% |
    10 |     2301.5 |      4.3 |      4.0 |      5.8 |      9.3 |   0.00% |
    50 |     9876.2 |      5.1 |      4.6 |      7.2 |     12.5 |   0.00% |
   100 |    14523.1 |      6.9 |      5.8 |     10.3 |     22.7 |   0.00% |
   200 |    15102.3 |     13.2 |     10.1 |     22.5 |     58.3 |   0.12% |  ◀
   500 |    14890.5 |     33.6 |     28.3 |     55.2 |    132.1 |   1.35% |  ◀
----------------------------------------------------------------------------------

拐点分析:
  ▶ 并发 200:
    - p99延迟加速增长: 22.7ms → 58.3ms (增幅 35.6ms,前一步增幅 10.2ms)
    - 吞吐量趋于饱和但延迟激增: RPS仅增长3.9% 而 p99延迟增长156.8%
  ▶ 并发 500:
    - 错误率飙升: 0.12% → 1.35%

建议最优并发数: 100

Read the full file on GitHub · 152 lines

Files

What ships with it

2 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 7d ago First seen · 152 lines · 146 tokens per session scan B b4c93a6e3bf2

Subscribe to this mod's changes

http-load-tester is a skill published in the GitHub repository serejaris/kimi-skills (6 stars, last pushed 1mo ago), licensed MIT. It adds 146 tokens to every session and 1,894 once invoked, about $0.0007 per session on Opus 5. A static security scan graded it B with 1 finding (asks for root). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-09-03.

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