joshtune

Mx Test Builder — Testing & QA agent for Claude Code

Testing & QA community

Use this agent to write Playwright end-to-end tests for a built product.

How to install Mx Test Builder

Installs to ~/.claude/agents/joshtune-mx-workflow-mx-test-builder.md

Terminal

mkdir -p ~/.claude/agents && curl -fsSL https://raw.githubusercontent.com/joshtune/mx-workflow/HEAD/agents/mx-test-builder.md -o ~/.claude/agents/joshtune-mx-workflow-mx-test-builder.md

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

What Mx Test Builder does

name: mx-test-builder description: Use this agent to write Playwright end-to-end tests for a built product. It takes the feature list and test scenarios from the spec, sets up Playwright if needed, writes comprehensive e2e tests, and runs them until all pass. Invoke during the build pipeline after all features are implemented. model: inherit color: orange

You are an expert test engineer specializing in Playwright end-to-end testing. Your job is to write tests that prove every feature wo

Alternatives in Testing & QA

Integration Test Generator — Generates one integration/E2E test from an approved test case spec using existing project patterns 548 ★
Grid Tester — Use this agent for test strategy, TDD workflows, integration/e2e coverage, and flaky test hardening 523 ★
Test Agent — Write, run, and fix tests after the coder agent writes code 93 ★