How to add a proxy to Browser Use

import asyncio, os
from browser_use import Agent, Browser, ChatOpenAI
from browser_use.browser import ProxySettings

browser = Browser(
    headless=True,
    proxy=ProxySettings(
        server=f"http://{os.environ['PROXY_HOST']}:8080",
        username=os.environ["PROXY_USER"],
        password=os.environ["PROXY_PASS"],
    ),
)

async def main():
    agent = Agent(
        task="Open https://api.ipify.org?format=json and return the ip field, then open https://example.com/ and return its title.",
        llm=ChatOpenAI(model="gpt-4o-mini"),
        browser=browser,
    )
    history = await agent.run(max_steps=6)
    print(history.final_result())

asyncio.run(main())

import asyncio, os
from browser_use import Agent, Browser, ChatOpenAI
from browser_use.browser import ProxySettings

HOST, USER, PASS = os.environ["PROXY_HOST"], os.environ["PROXY_USER"], os.environ["PROXY_PASS"]

def browser_for(agent_id: str, lifetime: int = 900, country: str = "us") -> Browser:
    return Browser(
        headless=True,
        proxy=ProxySettings(
            server=f"http://{HOST}:8080",
            username=f"{USER}-country-{country}-session-{agent_id}-lifetime-{lifetime}",
            password=PASS,
        ),
    )

async def run(agent_id: str, task: str):
    agent = Agent(task=task, llm=ChatOpenAI(model="gpt-4o-mini"), browser=browser_for(agent_id))
    return (await agent.run(max_steps=10)).final_result()

async def main():
    results = await asyncio.gather(
        run("agent01", "Open https://example.com/ and return the title and first paragraph."),
        run("agent02", "Open https://example.org/ and return the title and first paragraph."),
    )
    print(results)

asyncio.run(main())