Open Browser

Agent-nativeOpen Source

Open-source autonomous browser framework for agent web tasks

Overview

About Open Browser

This summary uses submitted and public product material. Only source-mapped claims are documentation reviewed.

Open Browser is an open-source TypeScript framework for autonomous web browsing. The current project centers on letting agents click, type, navigate, and extract data on live websites, with built-in support for OpenAI, Anthropic, and Google models plus a sandbox package for constrained execution.

Features

Playwright-based browser control for clicking, typing, navigation, extraction, and screenshots
Natural-language agent runs that translate tasks into multi-step browser actions
Interactive REPL for debugging and exploring live browser sessions
Multi-model support through OpenAI, Anthropic, and Google providers
Optional sandboxed execution with resource limits, monitoring, and allowed-domain controls

So agents can…

Complete web tasks on dynamic sites without writing a full browser script for each flow
Drop into an interactive browser session to inspect or recover a failing task
Run browser automation inside constrained environments with timeouts and domain restrictions

Listing decision

Why Open Browser is listed

Open Browser supplies an autonomous browser loop that interprets tasks, observes pages, and chooses browser actions, so it is agent-native rather than only a passive automation library.

Before you choose

Fit and limitations

Best for

TypeScript projects that need an agent to complete multi-step browser tasks with Playwright, either as an embedded library, command-line run, or interactive debugging session.

Known limitations

A model-provider API key and local browser runtime are required. URL access is unrestricted by default, so operators handling untrusted tasks must configure domain restrictions and appropriate resource, credential, and network isolation.

Not yet verified

The repository describes the framework as production-ready, but the reviewed first-party material does not provide independent reliability, security, or task-success benchmarks.

Sources

Sources and verification

First-party unless marked otherwise. Each link supports only its adjacent claim.

Open Browser repository — framework, providers, and browser controls
The maintained repository documents a TypeScript autonomous-browser framework built on Playwright, with natural-language runs, an interactive REPL, persistent sessions, and OpenAI, Anthropic, and Google model support through the Vercel AI SDK.
official repository · accessed Sep 3, 2026
Open Browser README — resource and navigation constraints
The README documents sandbox CPU, memory, timeout, and allowed-domain controls, while the default agent configuration leaves allowed URLs unrestricted unless an operator configures restrictions.
official documentation · accessed Sep 3, 2026
Open Browser repository license — MIT
The maintained Open Browser repository is published under the MIT License.
official license · accessed Sep 3, 2026