the SDK for browser agents, built by @browserbase join the discord: https://xitter.twitterapi.xyz/t.co/Q5UxzlgTft
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Joined February 2025
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Stagehand retweeted
Your agent pauses/ crashes mid task. Can a new process pick up where it left off?
Stagehand 4.4 adds browser.disconnect() so an agent can detach and leave the browser running and a new agent can reattach to the same browser and can complete the task.
This unlocks use cases like human handoffs, scheduled resumes, agent crashes.
In the clip, Pi asks for approval, waits 30 minutes, then reconnects and finishes the same checkout.
Fable 5.2 scores 92% on HardBench, our curated benchmark of difficult computer-use tasks.
It beats the previous champion, Opus 5.5, in accuracy, but costs 2.5x more and is 13.76% slower on average.
The @LangChain team evaluated 7 different Browser Tools to power Managed Deep Agents.
It's no surprise that Stagehand was simultaneously the fastest, cheapest, and most accurate. Read the full report to learn how.
Stagehand retweeted
Browserbase is now available as a one-click install in the Antigravity Plugin marketplace.
Navigate sites, fill out forms, and take screenshots with a verified browser that doesn't get blocked.
Stagehand retweeted
Your agents are only as good as their context, and the most valuable context is often locked behind a login.
Introducing Authenticated Fetch, 1 request to instantly extract data from logged-in sites.
It’s 3x faster than a full browser session, and available on all plans today.
Stagehand retweeted
To do real work on your behalf, agents need to sign-in securely.
We’re excited to partner with 1Password so your agents can log in without ever seeing your passwords.
Agents request a login, you approve it in 1Password, then credentials are sent directly to the browser.
Today we announce 1Password for Agents platform, building with companies @Muse, SpaceX Super Intelligence Grok @Bot, @AnthropicAI’s @Claudeai, @OpenAI, @TownAI, @Browserbase, @Browser_use, @heydana_ai, Instinct, @usekernel, @Perplexity_ai, @tryramp, @Tomo, and @wajo_ai, with more integrations on the way. 🎉
We've heard from so many of our customers who want to use these new personal AI agents to help them get more done, but want more control over what the agent can access with the same trust and ease of use they get when using 1Password directly.
1Password for Agents gives your agents access without giving up your passwords. When an agent reaches a sign-in form, it requests a credential from your vault. If you approve the request, 1Password directly auto-fills the credential in the destination site so the agent can’t see or take possession of the credentials.
The agent gets the task done, but it doesn’t get your passwords..
You stay in control. 1Password for Agents free and optional for personal and family accounts. Unless you opt-in to an agent connector, agents cannot touch your vault.
➡️Learn more: bit.ly/487da6J
Power your browser agents with Stagehand v4 in OpenAI's official SDKs:
docs.stagehand.dev/v4/integr…
Full repo & examples here:
github.com/browserbase/opena…
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Stagehand retweeted
New ship on browse.sh - record mode!
-> fire up a browser session
-> show your agent what to do, click-by-click
-> hit export to download your finished workflow
you get a SKILL.md your agent can follow, plus scripts for @Stagehanddev, Playwright, or Puppeteer.
Stagehand retweeted
Browserbase Search is now powered by Parallel (@p0) as the default search provider.
Parallel Fast returns sub-second results when speed matters. Parallel Advanced goes deeper for multi-step research when quality matters most.
Gemini 4 Argon is live in Stagehand.
It outperforms Fable 5.1 on computer use tasks with @eve and @pidotdev harnesses, while being roughly around the same cost/speed.
You can try the model in our playground at gemini.browserbase.com.
Stagehand retweeted
We're sponsoring the AI Assistant meetup on Monday October 19th @ 7:30pm.
Come meet other builders and hear from teams building the infra powering the fastest growing assistants on the market.
Link to RSVP below.
Pumped to announce 4 more sponsors for the SF AI Assistant meetup!
> @thelinqapp
> @browserbase
> @crossmint
> @mem0ai
RSVP: luma.com/wabd65c0
More details on the agenda to come
Stagehand retweeted
Coolest new feature in Stagehand - we can now automatically detect & invoke WebMCP tools on the fly.
This unlocks interacting with all @stripe checkout pages without repeatedly polling for new tools.
Give it a try on 4.2!
