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perftest

perftest is a skill for Claude Code from syy12335/Environment-Runtime. It costs 28 tokens per session (329 once invoked), scanned A, original, MIT.

A workflow-task generator for performance testing, including response delay, data transfer rate, simultaneous users, and load testing. It returns a task result with a success or failure status.

In plain words
What is it for?
It is for load-testing interfaces, measuring latency and throughput, checking concurrent-user behaviour, and producing a summary of performance results.
Why use it?
It turns a general request to test speed or scale into a focused task with concrete performance measures such as p95 latency or requests per second.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

not rated 128repo 5mo ago A scan 28 tokens original MIT

Good fit It is for load-testing interfaces, measuring latency and throughput, checking concurrent-user behaviour, and producing a summary of performance results.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/syy12335/environment-runtime/perftest
View source ↗ syy12335/Environment-Runtime
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 syy12335/Environment-Runtime --skill perftest
Clone the repo
git clone --depth 1 https://github.com/syy12335/Environment-Runtime

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 perftest

README.md
[![agentmods](https://agentmods.dev/badge/skills/syy12335/environment-runtime/perftest/github.svg)](https://agentmods.dev/skills/syy12335/environment-runtime/perftest)
Your own site
<a href="https://agentmods.dev/skills/syy12335/environment-runtime/perftest"><img src="https://agentmods.dev/badge/skills/syy12335/environment-runtime/perftest/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 perftest

Your own site · 80×15
<a href="https://agentmods.dev/skills/syy12335/environment-runtime/perftest"><img src="https://agentmods.dev/badge/skills/syy12335/environment-runtime/perftest.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 329 The whole file, excluding the scripts and references it only reads on demand.
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.
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 $0.00028 $0.00329
Opus 5.5 $0.00011 $0.00132
Sonnet 5.5 $0.00006 $0.00066
Haiku 4.5 $0.00003 $0.00033

Measured 2mo ago against content hash f7fb6fe8e29e, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

perftest 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 2mo ago.

The scan reads SKILL.md. This mod also ships 1 executable file (scripts/run.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.

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.

src/task_router_graph/skills/controller/perftest/SKILL.md · 44 lines

What it actually says

Perftest Workflow Type

定位：perftest 用于延迟、吞吐、并发、压测等性能评估。

常见情况

  • 做一次性能测试
  • 测一下延迟
  • 跑压测
  • 看吞吐和 p95

生成原则

  • 明确测试对象
  • 明确核心性能维度或指标（如 p95、qps、并发）
  • 若信息不足，可先 build_context_view 补全再生成任务

task_content 写法

推荐：

  • 针对目标对象执行性能测试，重点关注延迟、吞吐与并发表现
  • 对当前接口执行压测，重点检查 p95 与 qps
  • 执行性能评估，生成核心指标摘要

Workflow I/O

  • 入口：scripts/run.py
  • 调用：run(*, task_content: str) -> dict
  • 返回：{"task_status": "done|failed", "task_result": "..."}
Files

What ships with it

1 file 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. 2mo ago First seen · 44 lines · 28 tokens per session scan A f7fb6fe8e29e

Subscribe to this mod's changes

perftest is a skill published in the GitHub repository syy12335/Environment-Runtime (128 stars, last pushed 5mo ago), licensed MIT. It adds 28 tokens to every session and 329 once invoked, about $0.0001 per session on Opus 5.5. 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 2026-08-30.

Testingagent
Related

perftest compared with skills from other repositories

perftest next to 6 skills from other repositories
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perftestsyy12335/Environment-RuntimeSkill1285mo agoMITA28Claude Code
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aatmf-t10-confidentiality-breachPurpleAILAB/DecepticonSkill6.5k8d agoApache-2.0A39Claude Code, Codex
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ai-musicZJU-REAL/EaselSkill4.5k4d agoApache-2.0A161Claude Code, Codex
skill-news-intelligenceZJU-REAL/EaselSkill4.5k4d agoApache-2.0A104Claude Code, Codex