BrowserToolkit

Example:

import asyncio
from langchain.agents import create_agent
from langchain_aws.tools import create_browser_toolkit

async def main():
    # Create toolkit with proxy and extensions
    toolkit, browser_tools = create_browser_toolkit(
        region="us-west-2",
        proxy_configuration={
            "proxies": [{
                "externalProxy": {
                    "server": "proxy.example.com",
                    "port": 8080,
                    "credentials": {
                        "basicAuth": {
                            "secretArn": "arn:aws:secretsmanager:..."
                        }
                    },
                }
            }],
        },
        extensions=[{
            "location": {
                "s3": {"bucket": "my-bucket", "prefix": "ext.zip"}
            }
        }],
        profile_configuration={
            "profileIdentifier": "my-profile-id"
        },
    )

    # Create a ReAct agent using the browser tools
    agent = create_agent(
        "bedrock_converse:us.anthropic.claude-haiku-4-5-20251001-v1:0",
        tools=browser_tools
    )

    # Create runnable config with thread ID
    config = {
        "configurable": {
            "thread_id": "session123"
        }
    }

    # Invoke the agent with a specific task using thread ID
    result = await agent.ainvoke(
        "Navigate to https://www.example.com and tell me "
        "the main heading on the page.",
        config=config
    )

    # Clean up browser resources when done
    await toolkit.cleanup()

    return result

# Run the example
asyncio.run(main())