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Documentation Index

Fetch the complete documentation index at: https://docs.stagehand.dev/llms.txt

Use this file to discover all available pages before exploring further.

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Overview

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

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Core Browser Automation Tools

These are the primary tools for modern web automation using natural language commands.
Perform an action on the web page using natural language
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action
string
required
The action to perform (e.g., “click the login button”, “fill form field”)
Observe and find actionable elements on the page.
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instruction
string
required
Specific instruction for observation (e.g., “find the login button”, “locate search form”)
Extract data from the current page.
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instruction
string
Optional extraction instruction.

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Session Management

Create a new Browserbase session, or attach to an existing Browserbase session, and set it as active for the current MCP transport session.
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sessionId
string
Optional Browserbase session ID to attach to. If omitted, start creates a new Browserbase session.
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sessionId
string
Browserbase session ID now active for the current MCP transport session.
Close the active Browserbase session for the current MCP transport session.
No input parameters required.

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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