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Social media and popular job platforms have strong anti-bot detection. To avoid blocks, you need to look like a real user — same browser fingerprint, same IP region, same cookies every time.

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Setup

  1. Create a blank profile in the Cloud Dashboard
  2. Start a test browser with a residential proxy in your target country
  3. Manually log in to the platform via the live view UI
  4. Save the profile — it now contains your authenticated cookies
Always use the same profile + same proxy country when running tasks. If you used a US proxy during manual login, use proxy_country_code="us" for every task with that profile.
One profile per platform account is a good practice — it scopes agent access so a task on a job platform can’t accidentally touch your social account. But it’s not required.

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Run a task with profile + proxy

from browser_use_sdk import AsyncBrowserUse

client = AsyncBrowserUse()

# Create session with profile + proxy
session = await client.sessions.create(
    profile_id="your-social-profile-id",
    proxy_country_code="us",
)

# Run task — profile cookies handle auth, no credentials needed.
# If cookies have expired, add op_vault_id="your-vault-id" for 1Password auto-login.
result = await client.run(
    "Post 'Hello from Browser Use!'",
    session_id=session.id,
    allowed_domains=["*.y.com", "y.com"],
)
print(result.output)

await client.sessions.stop(session.id)

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First-time login with 1Password

If you haven’t logged in manually yet, use 1Password to handle the initial login. The credentials and 2FA codes are auto-filled from your vault. After this task completes, the login is saved in the profile — future tasks only need the profile. 
from browser_use_sdk import AsyncBrowserUse

client = AsyncBrowserUse()

session = await client.sessions.create(
    profile_id="your-social-profile-id",
    proxy_country_code="us",
)

result = await client.run(
    "Log in and post 'Hello from Browser Use!'",
    session_id=session.id,
    op_vault_id="your-vault-id",
    allowed_domains=["*.y.com", "y.com"],
)
print(result.output)

await client.sessions.stop(session.id)

# The login is now saved in the profile.
# Future tasks only need profile + proxy — no 1Password needed.
# Always use the same proxy country you used here.
Refresh profiles older than 7 days to keep login state fresh. Cookies expire.