Browser & Testing MCP Servers for Onlook
Let your agent drive a real browser to test what it built, read the console and take screenshots. Every listing below works with Onlook. Free GitHub projects and paid options are ranked together.
Updated October 2026 · 3 listings · stars refreshed daily from GitHub
How to add browser & testing MCP servers to Onlook
Most apps accept the same mcpServers JSON block (command + args for local servers, a URL for remote ones). Check the app's MCP settings page for where the file lives.
All MCP servers 72Docs & code context MCP servers 18Developer tool MCP servers 15Web search & scraping MCP servers 9Design MCP servers 7Database & backend MCP servers 6Cloud & deployment MCP servers 5Productivity MCP servers 5MCP platforms & gateways 4Browser & testing MCP servers 3
Playwright MCP 🔌 MCP serverFree
Microsoft's MCP server for browser automation with Playwright
9.1
GitHub ↗
Chrome DevTools MCP 🔌 MCP serverFree
Official Chrome DevTools MCP server: debug, inspect and profile pages from your agent
8.7
GitHub ↗
Browserbase MCP 🔌 MCP serverFreemium
Cloud browsers for agents, with Stagehand natural-language actions
7.8
Visit ↗
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