Individual skill
mirrord-chaos
Help users chaos test their app with mirrord: inject artificial latency or connection errors into a mirrord session's outgoing traffic via per-session chaos rules managed with the `mirrord chaos` CLI. Use when a user wants to add latency or delay to outgoing connections or a dependency (e.g. a slow database), simulate connection failures (reset, timed out, refused), test app behavior under degraded network conditions, or wire chaos rules into CI test runs. Always use this skill instead of the deprecated _experimental_.latency mirrord config option.
mirrord/mcp/corpus/skills/mirrord-chaos/SKILL.md
Source commit 89bfc07c6a44e768cd0d060c79326fe585ae5601
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- Yes
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- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
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- Repository stars (not skill ratings)
- 5,408
- Repository last updated
- Nov 10, 2026
- License
- MIT
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- cloud Repository topic
- kubernetes Repository topic
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- vscode Repository topic
- cli Repository topic
- development Repository topic
- devtool Repository topic
- data Derived category
- testing Derived category
- data-databases Derived category
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# Mirrord Chaos Testing Skill
## Purpose
Help users inject artificial failures and disruptions into a mirrord session's **outgoing traffic**, to test how their app behaves under unexpected conditions. A **chaos rule** pairs a **selector** (which traffic to match) with an **effect** (what to do to it). Rules are created and managed with the **`mirrord chaos` CLI command**, and each rule is attached to a single mirrord session: it never affects other sessions or the cluster.
This skill covers two modes:
1. **Interactive mode**: a developer starts a session with `mirrord exec` and manages rules with `mirrord chaos`.
2. **CI mode**: a pipeline applies rule files checked into the repo with `mirrord chaos add`, and runs tests under chaos.
## When to Use This Skill
Trigger on questions like: