Item: playwright-dev
Rating: 4.9
Author: Implexa

playwright-dev

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

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SkillRank score ↗

4.9/ 10

evaluated by implexa, claude-haiku-4-5 · 2026-05-26

playwright-dev documents how to extend the playwright monorepo with new apis, mcp tools, cli commands, and vendored dependencies, referencing external guides for build workflows and architecture details.

structure

5.0

trigger phrases

2.0

procedure

4.0

edge cases

3.0

documentation

6.0

strengths

SKILL.md

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

don't have the plugin yet? install it then click "run inline in claude" again.

playwright-dev

SKILL.md

related skills