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tech deep-dive

Choosing a Browser MCP: CDP, Playwright MCP, or Puppeteer MCP?

@playwright/mcp uses an accessibility tree instead of screenshots, cutting token cost by 10–50x — the best default for AI agents doing web automation. Puppeteer MCP fits screenshot-heavy tasks. Direct CDP via MCP is for low-level tooling or domains that Playwright/Puppeteer don't expose.

tech deep-dive

Chrome DevTools MCP: An MCP Server Built on CDP

Chrome DevTools MCP wraps Chrome DevTools Protocol (CDP) as an MCP server, giving AI agents direct access to 40+ CDP Domains including Profiler, HeapProfiler, and Security that Playwright and Puppeteer MCP don't expose — at the cost of having to implement MCP tool definitions and auto-wait logic yourself.