playwright-dev

Explains how to develop Playwright - add APIs, MCP tools, CLI commands, and vendor dependencies.

Repository: microsoft/playwright
Last source activity: July 21, 2026 at 18:03
Detected SKILL.md language: English
Stars: 94,738
Forks: 6,311

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npx skills add https://github.com/microsoft/playwright --skill playwright-dev

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playwright-cli

Automate browser interactions, test web pages and work with Playwright tests.

2026-08-24

playwright-trace

Inspect Playwright trace files from the command line — list actions, view requests, console, errors, snapshots and screenshots.

2026-08-12

playwright-component-testing

Set up component testing with Playwright using a story gallery — scaffold stories and a gallery dev page driven by the built-in mount fixture, no dedicated component-testing runtime. Use when asked to test React or Vue components in isolation with Playwright, or to migrate off @playwright/experimental-ct-react / -vue.

2026-08-07

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name	playwright-dev
description	Explains how to develop Playwright - add APIs, MCP tools, CLI commands, and vendor dependencies.

Playwright Development Guide

See CLAUDE.md for monorepo structure, build/test/lint commands, and coding conventions.

Detailed Guides

Library Architecture — client/server/dispatcher structure, protocol layer, DEPS rules
Adding and Modifying APIs — define API docs, implement client/server, add tests
MCP Tools and CLI Commands — add MCP tools, CLI commands, config options
Vendor Dependencies & Bundling — utilsBundle, coreBundle, babelBundle; adding vendored npm packages; DEPS.list; check_deps
Updating WebKit Safari Version — update the Safari version string in the WebKit user-agent
WebView (iOS Safari) Backend — webkit/webview/ against stock Mobile Safari; provisional-target pause/resume; what's upstream vs Playwright patches; local + CI test setup
Bisecting Across Published Versions — reproduce regressions side-by-side from npm and diff node_modules/playwright/lib/ between versions
Dashboard - the UI powering the "playwright cli show" command, and how to work on it

playwright-dev

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Install options

Review the source files

More from this repository

Playwright Development Guide

Detailed Guides

More from this repository

Playwright Development Guide

Detailed Guides