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Mastra is a TypeScript framework for building AI agents, applications, and workflows. It provides a unified interface for integrating various AI models, tools, and data sources into sophisticated automation systems. The Mastra integration with Stagehand lets AI agents interact with web pages through Browserbase. You can build intelligent agents that navigate websites, extract data, and perform complex web interactions with natural language instructions. Key capabilities include:
  1. Natural Language Web Automation: Direct AI agents to perform web actions using simple instructions like “click the sign in button” or “extract all product prices”
  2. Intelligent Element Detection: AI-powered element observation that can identify and locate page elements based on context and purpose
  3. Structured Data Extraction: Extract specific information from web pages with custom schemas and validation
  4. Session Management: Automatic browser session handling with smart reconnection and timeout management

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Core components

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Browser agent

An AI-powered agent using OpenAI’s GPT-4 that provides a natural language interface to web automation. The agent can understand complex instructions and break them down into appropriate tool calls.

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Stagehand tools

Three specialized tools that provide comprehensive web automation capabilities:
  • stagehandActTool: Performs actions on web pages (clicking, typing, navigation)
  • stagehandObserveTool: Identifies and locates elements on web pages for planning actions
  • stagehandExtractTool: Extracts structured data from web pages with custom schemas

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Session manager

Handles browser session initialization, automatic timeouts, error recovery, and reconnection logic to ensure reliable web automation.

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Use cases

The Mastra + Stagehand integration is perfect for:
  • Data Extraction: Extract data from multiple pages with AI-guided navigation
  • Automated Testing: Create intelligent test scenarios that adapt to UI changes
  • Lead Generation: Gather contact information and company data from websites
  • Market Research: Monitor competitor pricing, product listings, and content
  • Form Automation: Fill out and submit forms across different websites
  • Content Management: Update content across multiple platforms automatically

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Architecture flow

The integration leverages Mastra’s agent orchestration with Stagehand’s browser automation to create a seamless web interaction experience powered by AI.

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Get started

Quickstart guide

Set up Mastra with Stagehand integration and build your first web automation agent.

Browser observability

Inspect browser activity and diagnose failed runs.