Playwright Development Guide
See CLAUDE.md for monorepo structure, build/test/lint commands, and coding conventions.
Detailed Guides
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Library Architecture — client/server/dispatcher structure, protocol layer, DEPS rules
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Adding and Modifying APIs — define API docs, implement client/server, add tests
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MCP Tools and CLI Commands — add MCP tools, CLI commands, config options
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Vendoring Dependencies — bundle third-party npm packages into playwright-core or playwright