Browserbase MCP Server Tools

This guide covers the specialized tools available in the Browserbase MCP server for browser automation and interaction.

Overview

The Browserbase MCP server provides tools for browser automation and session management through a transport-scoped active session.

Core Browser Automation Tools

These are the primary tools for modern web automation using natural language commands.

navigate

Navigate to any URL in the browser

url · string · required

The URL to navigate to

act

Perform an action on the web page using natural language

action · string · required

The action to perform (e.g., “click the login button”, “fill form field”)

observe

Observe and find actionable elements on the page.

instruction · string · required

Specific instruction for observation (e.g., “find the login button”, “locate search form”)

extract

Extract data from the current page.

instruction · string

Optional extraction instruction.

Session Management

start

Create a new Browserbase session, or attach to an existing Browserbase session, and set it as active for the current MCP transport session.

sessionId · string

Optional Browserbase session ID to attach to. If omitted, start creates a new Browserbase session.

sessionId · string

Browserbase session ID now active for the current MCP transport session.

end

Close the active Browserbase session for the current MCP transport session.

No input parameters required.

Further Reading

Model Context Protocol (MCP) Docs

Learn more about the MCP protocol

Stagehand Documentation

Explore Stagehand’s AI-powered browser automation

Support

Get help from our support team