Playwright MCP Server

@san0808

About Playwright MCP Server

This server provides a comprehensive set of tools to control a web browser instance using Playwright, exposed via the Model Context Protocol (MCP). It allows AI models or other MCP clients to perform complex web browsing tasks across multiple pages/tabs.

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "playwright_mcp_server": {
      "command": "python",
      "args": [
        "client_example.py"
      ]
    }
  }
}

Tools

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Overview

What is Playwright MCP Server?

How to use Playwright MCP Server?

Install the Python dependencies (pip install "fastmcp>=2.0.0" playwright) and install Playwright’s Chromium browser (playwright install chromium). Run the server via the FastMCP CLI, e.g. fastmcp run main.py --transport sse --port 8001, then execute the provided client example script.

Key features of Playwright MCP Server

Multi-page management: open, close, switch, and list pages
Navigation: go to URLs, back/forward, reload
Content retrieval: HTML, text, title, URL
Full interaction suite: click, fill, type, check, select, hover, drag-and-drop
Waiting utilities: for elements, URLs, load states
State/information: element visibility, attributes, bounding box
Visuals: page and element screenshots

Use cases of Playwright MCP Server

Web scraping and content extraction from dynamic pages
Automated form filling and interactive testing
Multi-tab browsing workflows for AI agents
Visual regression testing via screenshots
JavaScript evaluation for deep page analysis

FAQ from Playwright MCP Server

What dependencies does Playwright MCP Server require?

Python 3.x, the fastmcp>=2.0.0 and playwright packages, and the Playwright Chromium browser installed via playwright install chromium.

How do I run the server?

Use the FastMCP CLI: fastmcp run main.py --transport sse --port 8001. Alternatively, a client example using stdio transport is included.

Are there security concerns with the JavaScript evaluation tools?

Yes, playwright_evaluate and playwright_execute_javascript are powerful and can execute arbitrary code. Use with caution or disable them if the server is exposed publicly.

What transports are supported?

The server can be run with SSE (WebSocket) or stdio transport, as shown in the usage examples.

What license is Playwright MCP Server distributed under?

MIT License.

Frequently asked questions

What dependencies does Playwright MCP Server require?

Python 3.x, the `fastmcp>=2.0.0` and `playwright` packages, and the Playwright Chromium browser installed via `playwright install chromium`.

How do I run the server?

Use the FastMCP CLI: `fastmcp run main.py --transport sse --port 8001`. Alternatively, a client example using stdio transport is included.

Are there security concerns with the JavaScript evaluation tools?

Yes, `playwright_evaluate` and `playwright_execute_javascript` are powerful and can execute arbitrary code. Use with caution or disable them if the server is exposed publicly.

What transports are supported?

The server can be run with SSE (WebSocket) or stdio transport, as shown in the usage examples.

What license is Playwright MCP Server distributed under?

MIT License.

Comments

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