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LeandroBenjaminL
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perf-engineer

Identify performance bottlenecks in web applications, APIs, and databases.

Updated May 9, 2026
Search Tags:#load testing#performance testing#performance profiling#web application#application optimization
One-click install
npx skills add https://github.com/LeandroBenjaminL/lend-ai --skill perf-engineer
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: perf-engineer
Source: https://github.com/LeandroBenjaminL/lend-ai/tree/main/skills/perf-engineer
Command: npx skills add https://github.com/LeandroBenjaminL/lend-ai --skill perf-engineer

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill requires k6, artillery, lighthouse, cProfile, py-spy, and includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill addresses performance and load testing needs, helping to identify and eliminate bottlenecks in applications.

Core Features & Use Cases

  • Performance Testing: Execute performance tests on web applications, APIs, and databases.
  • Load Testing: Simulate high traffic scenarios to test system resilience.
  • Profiling: Analyze application performance at the code and database levels.
  • Use Case: When you need to test the performance of your web application or API, or to optimize slow-performing code or database queries.

Quick Start

Run the perf-engineer skill to analyze the performance of your web application.

Frequently Asked Questions about perf-engineer

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is the difference between load testing and performance testing for APIs?▼

Load testing simulates high traffic scenarios to test system resilience, while performance testing evaluates web applications, APIs, and databases under normal conditions. Load testing specifically targets system stability under heavy user load.

How do I profile Python code to optimize slow application performance?▼

Yes, you can use k6 and artillery for load testing your web application. This Skill requires both tools to simulate high traffic scenarios and accurately test your system resilience under load.

Does Lighthouse work for web application performance profiling?▼

Lighthouse evaluates web application performance by auditing frontend metrics. This Skill uses Lighthouse alongside load testing and profiling tools to provide a complete view of application optimization and frontend bottlenecks.

When do I need load testing for my web application?▼

You need load testing for your web application when you must ensure system stability under heavy traffic. It simulates high traffic scenarios to test resilience and identify breaking points before real users are affected.

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