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expect

Automate end-to-end browser verification of code changes with Playwright MCP tooling.

3.5k|155|Updated Mar 12, 2026
Search Tags:#automation#qa#verification#playwright#browser
One-click install
npx skills add https://github.com/millionco/expect --skill expect-millionco
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: expect
Source: https://github.com/millionco/expect/tree/main/.agents/skills/expect
Command: npx skills add https://github.com/millionco/expect --skill expect-millionco

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Editing code and UI components without assurance that changes will render correctly in a real browser leads to undetected regressions. This skill automates end-to-end browser verification to catch visual and interaction issues before release.

Core Features & Use Cases

  • End-to-end browser testing with Playwright MCP tooling to verify UI changes in real browser sessions.
  • Subagent-friendly execution model that can run alongside code edits and CI workflows to keep conversations responsive.
  • Session reuse and browser-state management to speed up re-verification after fixes.
  • Use Case: When you modify a React component, CSS, or route, trigger a browser-based test that confirms visuals, interactions, and accessibility cues.

Quick Start

Ask your agent to verify code changes in a real browser using Expect's Playwright workflow.

Frequently Asked Questions about expect

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I automate end-to-end browser verification for React component changes?▼

You can automate end-to-end browser verification for React component changes by using Playwright MCP tooling to open real browser sessions, test interactions, and capture screenshots to validate UI edits.

Can I use Playwright MCP to verify front-end code edits in a real browser?▼

Yes, Playwright MCP tooling supports verifying front-end code edits like tsx, jsx, css, and html by running real-browser tests that confirm visuals and interactions after code modifications.

What is the best way to run automated QA on UI changes without slowing down my workflow?▼

Running automated QA on UI changes without slowing down your workflow is best achieved by using a subagent-friendly execution model with Playwright that runs browser verification alongside code edits and CI workflows.

Does browser session reuse speed up re-verification after fixing front-end bugs?▼

Yes, browser session reuse and state management speed up re-verification after fixing front-end bugs by maintaining the browser environment, reducing the overhead of restarting tests for subsequent validations.

How do I catch visual regressions when editing CSS or routes before release?▼

To catch visual regressions when editing CSS or routes before release, trigger automated Playwright browser tests that validate rendering, accessibility cues, and interactions to detect issues early.

Do I need specific MCP tools to run browser-based verification on front-end code?▼

Yes, you need the MCP toolchain including open, playwright, and screenshot tools to execute real-browser verification, manage sessions, and return structured results for automated validation of front-end code.

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