mattbutlerengineering

E2e Selector Drift Reviewer — Testing & QA agent for Claude Code

Testing & QA community

Use this agent when Playwright E2E spec files under apps//e2e/ (e.g. apps/hospitality/e2e/.spec.ts) are added or modified.

How to install E2e Selector Drift Reviewer

Installs to ~/.claude/agents/mattbutlerengineering-mattbutlerengineering-e2e-selector-drift-reviewer.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/mattbutlerengineering/mattbutlerengineering/HEAD/.claude/agents/e2e-selector-drift-reviewer.md -o ~/.claude/agents/mattbutlerengineering-mattbutlerengineering-e2e-selector-drift-reviewer.md

Restart Claude Code, or start a new session, for it to be picked up.

What E2e Selector Drift Reviewer does

name: e2e-selector-drift-reviewer description: Use this agent when Playwright E2E spec files under `apps/*/e2e/**` (e.g. `apps/hospitality/e2e/*.spec.ts`) are added or modified. Reviews the change for the class of E2E flake that CI (lint/typecheck) cannot catch — strict-mode selector collisions (a `getByText`/`getByRole` that resolves to 2+ nodes), locators coupled to volatile DOM text, and stateful-mock gaps (a test that acts on data a route mock never returns, or a mutation whose success p

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