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What is Simultaneous?

Simultaneous is a platform and Python SDK for running agents on infrastructure providers like Browserbase via a single, consistent API. It includes:
  • Unified HTTP API for auth, projects, API keys, sessions, and agents
  • Python SDK (SimClient, BrowserClient) for defining and running agents
  • CLI (sim) for authentication and project/agent management
  • Web dashboard (optional) for visibility

Quickstart

Install locally and run your first agent in minutes.

Setup

Configure environment variables and get started.

Python SDK

Use SimClient and BrowserClient to define and run agents.

CLI

Authenticate, create projects, and manage agents from the terminal.

API Reference

Explore the public REST endpoints.