Testing
playwright-dev▌
microsoft/playwright · updated Apr 8, 2026
$npx skills add https://github.com/microsoft/playwright --skill playwright-dev
summary
Guide for extending Playwright with new APIs, MCP tools, CLI commands, and vendored dependencies.
- ›Covers monorepo structure, build/test/lint workflows, and coding conventions via CLAUDE.md reference
- ›Includes detailed walkthroughs for implementing client/server APIs, writing tests, and modifying protocol layers
- ›Explains how to add MCP tools, CLI commands, and configuration options within the Playwright ecosystem
- ›Documents the vendoring process for bundling third-party npm packages
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
- Vendoring Dependencies — bundle third-party npm packages into playwright-core or playwright
- Updating WebKit Safari Version — update the Safari version string in the WebKit user-agent