Agent skill

k6 Performance Testing

k6 load testing expertise for performance validation and analysis

Stars 514
Forks 31

Install this agent skill to your Project

npx add-skill https://github.com/a5c-ai/babysitter/tree/main/library/specializations/qa-testing-automation/skills/k6-performance

SKILL.md

k6 Performance Testing Skill

Overview

This skill provides expert-level capabilities for k6-based performance testing, enabling load test scripting, execution, metrics analysis, and integration with monitoring systems.

Capabilities

Script Development

  • Write k6 load test scripts in JavaScript
  • Implement virtual user scenarios
  • Configure data parameterization
  • Handle authentication in load tests

Load Profile Configuration

  • Configure ramp-up patterns
  • Define steady-state load levels
  • Implement spike testing scenarios
  • Configure soak testing profiles

Metrics & Analysis

  • Analyze k6 metrics (response time, throughput, errors)
  • Configure thresholds and checks
  • Generate PromQL queries from k6 output
  • Interpret percentile distributions

Cloud Integration

  • Configure k6 Cloud execution
  • Distributed load generation
  • Cloud results analysis

Dashboard Integration

  • Integration with Grafana dashboards
  • InfluxDB metrics export
  • Real-time monitoring setup

Target Processes

  • performance-testing.js - Performance test implementation
  • api-testing.js - API performance validation
  • continuous-testing.js - CI/CD performance gates

Dependencies

  • k6 - Load testing tool
  • Grafana (optional) - Dashboards
  • InfluxDB (optional) - Metrics storage

Usage Example

javascript
{
  kind: 'skill',
  skill: {
    name: 'k6-performance',
    context: {
      action: 'execute-load-test',
      script: 'tests/performance/load.js',
      vus: 100,
      duration: '5m',
      thresholds: {
        'http_req_duration': ['p(95)<500']
      }
    }
  }
}

Configuration

The skill can execute k6 scripts locally or configure cloud execution for distributed load testing.

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