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Chaos Experiment Designer

An interactive wizard that designs a chaos engineering experiment, computes blast radius, and emits a peer-reviewable markdown plan.

Dev & CodingAdvanced★ 29,364⑂ 4,076AI score 8/10Last updated: Nov 5, 2026

What it does

  • Runs /chaos-experiment as a guided, step-by-step design flow.
  • Collects target service, hypothesis, attack type (latency, fault injection, etc.), magnitude, duration, abort criteria, and owner.
  • Calls experiment_designer.py for a JSON plan and blast_radius_calculator.py to score impact against traffic share, user population, and error budget with a GREEN/YELLOW/RED risk rating.
  • Renders a markdown plan covering hypothesis, steady-state metric, abort criteria, rollback procedure, dashboard link, and learning question, then prints a PROCEED / REDUCE / ABORT recommendation.
  • Leaves .chaos-plan.json behind for a later postmortem script.

Who it's for

  • SRE, platform, and infrastructure engineers who run controlled failure experiments.
  • Teams that must document impact scope and stop conditions before peer review.
  • Reliability owners making go/no-go calls from an error budget.

Examples

  1. /chaos-experiment --target checkout-svc --attack latency to plan latency injection on the checkout service.
  2. Compute blast radius for 5% of traffic over 10 minutes and check whether error budget burn stays acceptable.
  3. Attach the generated markdown plan to a PR so the on-call team signs off on abort criteria and rollback.

Prerequisite: the chaos-engineering skill with its Python scripts, plus a working Python runtime.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/alirezarezvani/claude-skills/HEAD/.gemini/skills/chaos-experiment/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on AI Skill Mart.
Copy the .gemini/skills/chaos-experiment folder from the GitHub repo alirezarezvani/claude-skills into my ~/.claude/skills/chaos-experiment/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/alirezarezvani/claude-skills.git /tmp/claude-skills && mkdir -p ~/.claude/skills && cp -r /tmp/claude-skills/.gemini/skills/chaos-experiment ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/alirezarezvani/claude-skills.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r claude-skills/.gemini/skills/chaos-experiment ~/.claude/skills/
  5. Also install the dependency skill chaos-engineering (which holds experiment_designer.py and blast_radius_calculator.py) and adjust the SKILL= path inside SKILL.md to match where you installed it.
  6. Verify Python is available: python3 --version.
  7. Restart Claude Code and run /chaos-experiment to confirm it loads.
View source on GitHub ↗License: MIT