Babysitter load-test-generator

Generate load test scripts for k6, Locust, and Gatling from OpenAPI specs

install

source · Clone the upstream repo

git clone https://github.com/a5c-ai/babysitter

Claude Code · Install into ~/.claude/skills/

T=$(mktemp -d) && git clone --depth=1 https://github.com/a5c-ai/babysitter "$T" && mkdir -p ~/.claude/skills && cp -r "$T/library/specializations/software-architecture/skills/load-test-generator" ~/.claude/skills/a5c-ai-babysitter-load-test-generator && rm -rf "$T"

manifest: library/specializations/software-architecture/skills/load-test-generator/SKILL.md

Load Test Generator Skill

Overview

Generates load test scripts for k6, Locust, and Gatling including test scenarios from OpenAPI specifications and performance validation patterns.

Capabilities

Generate k6 load test scripts
Locust test generation
Gatling scenario creation
Test scenario from OpenAPI spec
Ramp-up/ramp-down patterns
Think time configuration
Virtual user modeling
Threshold configuration

Target Processes

performance-optimization
resilience-patterns
migration-strategy

Input Schema

{
  "type": "object",
  "required": ["scenarios"],
  "properties": {
    "scenarios": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": { "type": "string" },
          "endpoints": { "type": "array" },
          "load": {
            "type": "object",
            "properties": {
              "vus": { "type": "number" },
              "duration": { "type": "string" },
              "rampUp": { "type": "string" }
            }
          }
        }
      }
    },
    "framework": {
      "type": "string",
      "enum": ["k6", "locust", "gatling", "artillery"],
      "default": "k6"
    },
    "openapiSpec": {
      "type": "string",
      "description": "Path to OpenAPI spec for auto-generation"
    },
    "options": {
      "type": "object",
      "properties": {
        "thresholds": {
          "type": "object",
          "properties": {
            "p95ResponseTime": { "type": "number" },
            "errorRate": { "type": "number" }
          }
        },
        "thinkTime": {
          "type": "object",
          "properties": {
            "min": { "type": "number" },
            "max": { "type": "number" }
          }
        },
        "dataFile": {
          "type": "string",
          "description": "Path to test data CSV"
        }
      }
    }
  }
}

Output Schema

{
  "type": "object",
  "properties": {
    "scripts": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": { "type": "string" },
          "path": { "type": "string" },
          "framework": { "type": "string" }
        }
      }
    },
    "configFile": {
      "type": "string"
    },
    "runCommand": {
      "type": "string"
    },
    "thresholds": {
      "type": "object"
    }
  }
}

Usage Example

{
  kind: 'skill',
  skill: {
    name: 'load-test-generator',
    context: {
      scenarios: [
        {
          name: 'smoke-test',
          endpoints: ['/api/health', '/api/users'],
          load: { vus: 10, duration: '1m', rampUp: '10s' }
        }
      ],
      framework: 'k6',
      options: {
        thresholds: {
          p95ResponseTime: 500,
          errorRate: 0.01
        }
      }
    }
  }
}