TypeScript

Nanobrowser

Multi-agent web automation in your own browser

by nanobrowser · Apache-2.0

13 705stars1 452forksTypeScriptlanguage22 days agolast push

Browser & computer-use agentsChrome extension agentApache-2.0PartialTypeScriptBeginner

From the README

Install

git clone https://github.com/nanobrowser/nanobrowser.git
   cd nanobrowser

100% Free - No subscription fees or hidden costs. Just install and use your own API keys, and you only pay what you use with your own API keys.
Privacy-Focused - Everything runs in your local browser. Your credentials stay with you, never shared with any cloud service.
Flexible LLM Options - Connect to your preferred LLM providers with the freedom to choose different models for different agents.
Fully Open Source - Complete transparency in how your browser is automated. No black boxes or hidden processes.

Excerpts from the project README on GitHub. Copyright and licensing remain with the respective authors.

🛡 Published security advisories

A high count usually means the project is heavily examined. A low count usually means it is little examined — not that it is safe.

No public activity signals for this tool — it has no open repository we can measure.

Olud Pulse ⓘ ★★★★★★★★★★ /100 signals tracked

🐳 Docker pulls 📦 PyPI downloads / month 📦 npm downloads / month 🚀 Latest release ·

Visit website →View on GitHub

What is Nanobrowser?

Nanobrowser is an open Chrome extension where a planner and a navigator agent cooperate to browse and complete web tasks — running in your existing browser with your own API keys.

Why people choose Nanobrowser

Runs in your real browser — sessions and logins included
Planner + navigator multi-agent design
Your keys, your data, zero subscription

Nanobrowser at a glance

Category	Browser & computer-use agents
Type	Chrome extension agent
License	Apache-2.0
Runs locally	Partial
Built with	TypeScript
Skill level	Beginner
Best for	an OpenAI-Operator-style agent you fully control