Browser Automation MCP Servers: Playwright vs Puppeteer vs Browser-Use vs Selenium

The real question isn't "which MCP server" — it's which browser engine

Search for a browser automation MCP server and you'll find dozens of listings, which makes the choice feel harder than it is. In practice almost every one of them is a thin MCP wrapper around one of four underlying approaches, and picking the approach settles most of the decision before you look at an individual repo.

• Playwright — Microsoft's automation library. One API drives Chromium, Firefox, and WebKit, with solid auto-waiting and network interception built in.
• Puppeteer — Google's original headless-Chrome library. Chromium-only, smaller surface area, and the most battle-tested option since it predates Playwright by several years.
• browser-use — not a browser engine itself, but a layer on top of Playwright that turns the page into something an LLM can reason about directly (labeled interactive elements, a perception/action loop) instead of the agent having to write CSS selectors.
• Selenium / WebDriver — the oldest of the four, still relevant if you need a browser or language binding the newer tools don't cover, or you're plugging an agent into an existing Selenium grid.

There's a fifth pattern worth knowing about even though it's a smaller slice of the ecosystem: browser-extension MCP servers, which don't launch a browser at all. They attach to a tab in your already-open, already-authenticated browser via an extension. That trades isolation for convenience — useful when the task needs a session you don't want to (or can't) reproduce headlessly, like a site behind SSO or aggressive bot detection.

How to actually choose

Work through these in order — each one eliminates options faster than comparing feature lists server-by-server.

1. Which rendering engines do you need? If the target sites only need to work in Chrome, Puppeteer or a Chromium-only Playwright server is the smaller footprint. If you need cross-browser coverage — or you're testing a site that behaves differently in Firefox or Safari/WebKit — Playwright is the only one of the four that covers all three natively.

2. Does the agent need to reason about the page, or just execute steps? If you're scripting a known flow (log in, navigate to page X, extract a table), a raw Playwright or Puppeteer server is plenty — you're giving the agent tool calls like click(selector) and getText(selector). If the agent needs to figure out how to accomplish a goal on a page it's never seen — "find the cancel-subscription button" without you specifying a selector — browser-use's labeled-element approach is built for exactly that and will save you from selector-maintenance pain as target sites change their markup.

3. Do you need an authenticated session, or a clean one? A launched Playwright/Puppeteer instance starts logged out; you either automate the login or load a saved storage state. An extension-based server skips this by riding on your real browser session — faster for one-off tasks, but it means the agent is now acting inside your actual account, not a sandboxed one. For anything recurring or unattended, prefer the isolated-instance approach and a scoped account.

4. Headless or headed? Default to headless — it's faster, lighter, and what you want for CI or any server-side deployment. Switch to headed only when you're actively debugging (you want to watch what the agent is doing) or a target site's anti-bot system specifically fingerprints headless Chrome differently from a real window.

Security notes specific to browser automation

Giving an agent control of a real browser is a different risk profile than most MCP integrations, because the agent is now reading content — page text, form labels, embedded instructions — that a third party controls. A few things worth being deliberate about:

• Prompt injection via page content. Any text on a page the agent visits is untrusted input to the model, the same as a tool result. A malicious or compromised page can contain text aimed at getting the agent to take an action you didn't ask for. Don't chain "browse this page" directly into "and then do whatever it says."
• Credential scope. If the server needs a logged-in session, use the least-privileged account that can complete the task, not your primary account. This matters more here than for most API-based MCP servers because a browser session inherits everything your account can do, not just one endpoint's permission scope.
• Isolate the profile. Prefer a launched, disposable browser context over reusing your everyday browser profile — it keeps automation runs from leaking cookies, saved passwords, or history between sessions, and keeps a bad run from touching tabs you have open elsewhere.

Where to find and compare specific listings

Rather than pinning specific server names and star counts here — which go stale the moment a new release ships — the live, usage-ranked lists are the better source:

• Browser Automation category — every browser-driving MCP server in the directory.
• Best Browser Automation MCP servers — ranked by real usage.
• Best Playwright MCP servers — if you've already decided Playwright is the engine you want.

Each listing page shows the install command, runtime, and — where available — a side-by-side alternatives comparison, so once you've picked an approach from the framework above, the last step is just matching it to a specific, currently-maintained server.