About

Imported from personamanagmentlayer/pcl (stdlib/qa/chaos-engineering-expert/SKILL.md). Install upstream with npx skills add personamanagmentlayer/pcl --skill chaos-engineering-expert. Copyright stays with the author.

Chaos Engineering Expert

Name: chaos-engineering-expert
Author: personamanagmentlayer

Core Concepts

Chaos Engineering Principles

Hypothesis-Driven - Define expected system behavior
Production Testing - Test in real environments
Minimize Blast Radius - Start small, expand gradually
Automation - Continuous chaos experiments
Learn and Improve - Build resilience iteratively
Observability - Monitor system behavior

Failure Types

Network Failures - Latency, packet loss, partitions
Resource Exhaustion - CPU, memory, disk
Service Failures - Process crashes, unavailability
Data Corruption - Corrupt files, bad data
Time Drift - Clock skew, NTP failures
Dependency Failures - Third-party service outages

Tools & Platforms

Chaos Monkey - Netflix's random termination tool
Gremlin - Enterprise chaos engineering platform
Chaos Toolkit - Open-source chaos experiments
Litmus - Kubernetes chaos engineering
Pumba - Docker chaos testing
Toxiproxy - Network condition simulation

Best Practices

Experiment Design

Start with hypothesis
Define steady-state metrics
Begin with small blast radius
Test in staging first
Automate experiments
Document learnings

Safety Measures

Implement circuit breakers
Set up monitoring/alerting
Have rollback procedures
Limit blast radius
Run during business hours initially
Get stakeholder buy-in

Observability

Monitor golden signals
Track error rates
Measure latency (p50, p95, p99)
Monitor resource utilization
Log all chaos events
Correlate metrics

Culture

Foster blameless culture
Share learnings openly
Make chaos regular practice
Train teams on chaos engineering
Start with game days
Celebrate failures as learning

Anti-Patterns

Common Mistakes

Testing in production without preparation
No rollback plan
Ignoring blast radius
Running attacks during incidents
No monitoring in place
Blaming teams for failures

Experiment Design Issues

No clear hypothesis
Undefined success criteria
Too broad scope initially
Missing steady-state verification
No automation
Poor documentation

Cultural Problems

Blame-focused culture
Resistance to controlled failure
Lack of stakeholder support
No learning from experiments
Chaos for chaos sake
Security concerns ignored

Reference Documentation

Detailed material lives alongside this skill and is read on demand:

Implementation Examples — Chaos Toolkit Experiment, Gremlin Attack Scenarios, Custom Chaos Tool (Python), Kubernetes Chaos with Litmus

Resources

Official Documentation

Principles of Chaos Engineering - Core principles
Chaos Toolkit - Tool docs
Gremlin Documentation - Platform guide
Litmus Documentation - Kubernetes chaos

Learning Resources

Tools & Platforms

Chaos Monkey - Netflix tool
Gremlin Free - Free tier
Chaos Mesh - Kubernetes platform
Toxiproxy - Network simulator

Community Resources

Chaos Engineering Slack - Community
Reddit SRE - Discussions
Chaos Conf - Annual conference
LinkedIn Groups - Professional networks

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/personamanagmentlayer-pcl-chaos-engineering-expert/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

personamanagmentlayer-pcl-chaos-engineering-expert.ocm.jsonjson

{
  "ocm": "1",
  "id": "personamanagmentlayer-pcl-chaos-engineering-expert",
  "kind": "skill",
  "name": "chaos-engineering-expert",
  "description": "Expert in chaos engineering principles, failure injection, resilience testing, Chaos Monkey, Gremlin, and building fault-tolerant systems. Use when the user mentions reliability, testing, SRE, resilience, failure injection, or resilience testing, or when the task involves Chaos Engineering Principles, Failure Types, Tools & Platforms, or Chaos Toolkit Experiment.",
  "publisher": "personamanagmentlayer",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "general"
    ],
    "tags": [
      "skill-md",
      "chaos-engineering",
      "reliability",
      "testing",
      "sre",
      "resilience",
      "failure-injection",
      "resilience-testing",
      "chaos-monkey",
      "gremlin"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Expert in chaos engineering principles, failure injection, resilience testing, Chaos Monkey, Gremlin, and building fault-tolerant systems. Use when the user mentions reliability, testing, SRE, resilience, failure injection, or resilience testing, or when the task involves Chaos Engineering Principles, Failure Types, Tools & Platforms, or Chaos Toolkit Experiment."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "skills.sh",
      "repository": "https://github.com/personamanagmentlayer/pcl",
      "path": "stdlib/qa/chaos-engineering-expert/SKILL.md",
      "ref": "HEAD",
      "url": "https://github.com/personamanagmentlayer/pcl/blob/HEAD/stdlib/qa/chaos-engineering-expert/SKILL.md",
      "key": "personamanagmentlayer/pcl/stdlib/qa/chaos-engineering-expert/SKILL.md"
    },
    "allowed_tools": [
      "Read",
      "Write",
      "Bash",
      "Grep",
      "Glob"
    ]
  },
  "instructions": "# Chaos Engineering Expert\n\n## Core Concepts\n\n### Chaos Engineering Principles\n\n- **Hypothesis-Driven** - Define expected system behavior\n- **Production Testing** - Test in real environments\n- **Minimize Blast Radius** - Start small, expand gradually\n- **Automation** - Continuous chaos experiments\n- **Learn and Improve** - Build resilience iteratively\n- **Observability** - Monitor system behavior\n\n### Failure Types\n\n- **Network Failures** - Latency, packet loss, partitions\n- **Resource Exhaustion** - CPU, memory, disk\n- **Service Failures** - Process crashes, unavailability\n- **Data Corruption",
  "cost": {
    "context_tokens": 1004
  }
}

Fetch it by URL: GET /api/v1/registry/personamanagmentlayer-pcl-chaos-engineering-expert/manifest?version=1.0.0

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