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Testing & QA

Browser automation, end-to-end checks and tools for testing agents' own servers.

Entries

• Chrome DevTools MCP

  Gives an agent a live Chrome with DevTools, so it can record performance traces, read network and console output, and debug the page it just built.

  MCP server by Google Chrome DevTools team Claude Code, Claude apps, Cursor, Codex, Gemini, Any agent

  Official Reviewed — install with care Changes things freely

• MCP Inspector

  The MCP project's official tool for connecting to an MCP server and exercising its tools, resources and prompts, in a web UI, a terminal UI or a scriptable CLI.

  Tool by Model Context Protocol Any agent

  Official Reviewed — install with care Runs on your machine

• Playwright MCP

  Lets an agent drive a real browser with Playwright, working from the page's accessibility tree instead of screenshots.

  MCP server by Microsoft Claude Code, Claude apps, Cursor, Codex, Any agent

  Official Reviewed — install with care Changes things freely

Curated by Andrew Borden-Chisholm. Notes on building with these tools are on the blog.