playwright-dev

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

Get it through your agent npx skills add microsoft/playwright@playwright-dev

Skill instructions

Rendered from the published SKILL.md, 15 lines.

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

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

Call the Graph-of-Skills MCP server's retrieve_skill_bundle tool and it returns this skill's text inside your budget.

{
  "tool": "retrieve_skill_bundle",
  "arguments": {
    "query": "playwright-dev"
  }
}

From microsoft/playwright via skills.sh

webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
12,444 installs
playwright-explore-website
Website exploration for testing using Playwright MCP
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playwright-cli
Automate browser interactions, test web pages and work with Playwright tests.
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playwright-interactive
Persistent browser and Electron interaction through `js_repl` for fast iterative UI debugging.
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webapp-testing
Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.
185,895 installs

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