Works with the AI tools you already use
Performance Testing Locust Pro
by Matthew King
Architect ISTQB-aligned performance test plans and production-ready Locust automation suites.
Free
See it in action
You say
Create a Locust test plan and script for our new checkout API. We expect 500 concurrent users at peak, and I need to make sure we don't exceed a 2s response time for the 95th percentile.
Your agent does
I've scaffolded a Locust project for your Checkout API. It includes a modular locustfile.py with custom LoadTestShape for the 500-user ramp-up, environment variable support for API keys, and a --check-p95 2000 validation handler to fail the CI build if response times exceed your SLA.
About this skill
Professional Performance Testing Strategy & Automation
Transform vague performance requirements into rigorous, ISTQB-aligned testing suites. This skill acts as a senior performance architect and Locust expert to help you design, scaffold, and review enterprise-grade load tests.
What it does
- Test Planning: Generates comprehensive, risk-based performance test plans following ISTQB standards.
- Workload Modeling: Converts user personas into technical operational profiles and multi-stage load schedules (Ramp-up, Soak, Stress, Spike).
- Locust Scaffolding: Builds complete, modular Python Locust projects with industry-standard script patterns, environmental variable handling, and CI/CD readiness.
- Quality Assurance: Validates generated scripts via syntax checks and provides a scorecard for existing plans to identify gaps in monitoring or strategy.
- SLA Guidance: Recommends measurable NFRs and baseline approaches when production data or requirements are missing.
Why use this skill?
Generic AI prompts often produce brittle, "hello world" load scripts that lack realistic pacing, fail to handle secrets, or ignore critical failure thresholds. This skill ensures your testing is methodologically sound, safe for your infrastructure, and produces results that stakeholders can actually trust for sign-off.
How to install
Drop the file into your AI Agent. Works with Claude, Cursor, ChatGPT, and 20+ more.
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