parallel-browser-mcp

Overview

parallel-browser-mcp is a comprehensive MCP server that exposes a numeric session model for controlling multiple browser sessions simultaneously. It supports various providers including Playwright, Browserbase, Anchor, and Cloudflare Browser Run, abstracting away provider-specific differences through a consistent set of browser tools. The server features session management tools like start_session, close_session, and get_sessions, alongside a rich set of browser automation capabilities for navigation, interaction, and content extraction.

Try asking AI

After installing, here are 5 things you can ask your AI assistant:

• start_session

  Start a new browser session with a specified provider

  Try:Start a new browser session using PlaywrightTry:Create a new browser session with Browserbase provider
• close_session

  Close an existing browser session

  Try:Close browser session with ID 2Try:Terminate the current browser session
• close_all_sessions

  Close all active browser sessions

  Try:Close all browser sessionsTry:Shut down all active browser automation sessions
• get_sessions

  List all active browser sessions

  Try:Show me all active browser sessionsTry:List current browser sessions with their IDs
• browser_navigate

  Navigate the browser to a specific URL

  Try:Navigate to https://example.com in session 1Try:Go to google.com in my browser
• browser_click

  Click on an element identified by a selector

  Try:Click on the login buttonTry:Click the element with ID submit-button
• browser_fill

  Fill an input field with specified text

  Try:Fill in the username field with john_doeTry:Type 'password123' into the password input
• browser_screenshot

  Take a screenshot of the current browser page

  Try:Take a screenshot of the current pageTry:Capture a screenshot and save it
• browser_fill_form

  Fill out a form with provided field values

  Try:Fill out the contact form with my informationTry:Complete the registration form
• browser_get_page_structure

  Get the HTML structure of the current page

  Try:Show me the page structureTry:Get the HTML of the current page
• browser_wait_for_selector

  Wait for an element to appear on the page

  Try:Wait for the loading spinner to disappearTry:Wait for the element with class 'results' to appear
• browser_evaluate

  Execute JavaScript code in the browser

  Try:Run document.title in the consoleTry:Evaluate the expression 'window.location.href'

Comparable tools

Installation

npm install -g parallel-browser-mcp

{
  "mcpServers": {
    "parallel-browser-mcp": {
      "command": "npx",
      "args": ["parallel-browser-mcp@latest"],
      "env": {
        "BROWSER_MCP_CONFIG": "{\"defaultProvider\":\"playwright\",\"providers\":{\"playwright\":{\"launchOptions\":{\"headless\":true}}}}",
        "BROWSERBASE_API_KEY": "your_browserbase_key",
        "ANCHOR_API_KEY": "your_anchor_key"
      }
    }
  }
}

FAQ

How many browser sessions can be run concurrently?

The server supports multiple concurrent browser sessions in memory, limited only by available system resources and the specific provider's limitations.

Can I use multiple browser providers simultaneously?

Yes, the server allows you to configure multiple providers and use them across different sessions, though each session operates within a single provider context.

Compare parallel-browser-mcp with