How we build internal agents at Browserbase

Generalized agents are poised to transform knowledge work by acting as interfaces for executing tasks through a universal API, with the browser serving as a conduit for actions not covered by existing APIs. At Browserbase, the agent known as bb performs diverse tasks across engineering, operations, sales, support, and executive functions, operating within an architecture that includes a sandbox environment for isolated task execution. This environment is an ephemeral Linux VM that runs arbitrary code securely, thanks to credential brokering that separates access permissions, ensuring the sandbox never sees real credentials. The agent operates in Slack, executing tasks through interactions that mimic managing a competent teammate, rather than merely running a tool, with persistent Slack threads maintaining multi-turn continuity. The system's architecture prioritizes execution, access, and repeatability, allowing it to adapt rapidly to evolving technologies and ensure efficient and secure task completion.

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