>Agent Skill

@microsoft/playwright-dev

skill✓development

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

testingapi-designdocumentation

apm::install

$apm install @microsoft/playwright-dev

apm::skill.md

apm::badge

[![APM](https://img.shields.io/endpoint?url=https%3A%2F%2Fapm-p1ls2dz87-atlamors-projects.vercel.app%2Fapi%2Fbadge%2F%40microsoft%2Fplaywright-dev&style=flat-square)](https://apm-p1ls2dz87-atlamors-projects.vercel.app/packages/@microsoft/playwright-dev)

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

# Playwright Development Guide

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

## Detailed Guides

- [Library Architecture](library.md) — client/server/dispatcher structure, protocol layer, DEPS rules
- [Adding and Modifying APIs](api.md) — define API docs, implement client/server, add tests
- [MCP Tools and CLI Commands](tools.md) — add MCP tools, CLI commands, config options
- [Vendoring Dependencies](vendor.md) — bundle third-party npm packages into playwright-core or playwright