GraphCanon
Home/AI Agents/nanobrowser
nanobrowser logo

nanobrowser

nanobrowser/nanobrowser

Open-Source Chrome extension for AI-powered web automation

GitHub Website

GraphCanon updated 2d · GitHub synced 2d

14k stars1.4k forksLast push 3d TypeScript Apache-2.0

Decision brief

Nanobrowser is an open-source Chrome extension that facilitates AI-powered web automation through multi-agent workflows, requiring users to input their own LLM API keys. It stands out with a focus on cost-effective agent

Good fit when

  • When you are looking for a flexible configuration of multiple agents in web automation tasks and want to avoid the limitations present in the Chrome Web Store version.
  • Ideal if your workflow benefits from specific, cost-efficient configurations as offered by Nanobrowser. Specifically, when planning tasks with Claude Haiku or GPT-4o and navigation with Gemini 2.5 or

Avoid when

  • If you strictly require a fully managed solution without needing to input API keys and managing configurations.
  • Not recommended if your tasks can be handled efficiently by simpler tools, as Nanobrowser's advanced configuration might introduce unnecessary complexity.

Observed Jul 11, 2026 · Source: enrich:decision_facts

nanobrowser alternativesTrust report
nanobrowser vs unslothnanobrowser vs openbrowsernanobrowser vs page-agent

Verify the decision

Maintenance and security

Full trust report
Maintenance
Very active (1d since push)
As of 2d
Provenance
Not a fork · Organization account
As of 2d
Security (OSV)
No criticals
As of 1mo

Public GitHub metadata and optional OSV scans. Signals, not a guarantee. Trust methodology.

Install

npm install nanobrowser
npm

How it fits your stack(8)

Typed graph edges - alternatives, integrations, successors, and dependencies. Ranked by relationship type, not raw GitHub stars.

Alternative

Relationship graph

Optional deeper exploration of typed edges and category neighbours.

Similar tools

Same-category neighbours not already linked as typed edges.

Evidence and technical details

Sourced facts, taxonomy, compatibility claims, README excerpt, and machine-readable endpoints.

Overview

Nanobrowser is a Chrome extension that enables AI-powered web automation through multi-agent workflows using user-provided LLM API keys.

Capability facts

MCP server
No MCP server detected

Source: repo_scan · Aug 19, 2026

Languages
typescript, javascript

Source: github.language+package.json · Aug 19, 2026

Categories

AI AgentsDeveloper Tools

Graph entities

OllamaframeworkSmolagentsframework

Tags

agentai-toolsautomationbrowser-automation

README

🚀 Quick Start

  1. Install from Chrome Web Store (Stable Version):

Important Note: For latest features, install from "Manually Install Latest Version" below, as Chrome Web Store version may be delayed due to review process.

  1. Configure Agent Models:
    • Click the Nanobrowser icon in your toolbar to open the sidebar
    • Click the Settings icon (top right)
    • Add your LLM API keys
    • Choose which model to use for different agents (Navigator, Planner)

🔧 Manually Install Latest Version

To get the most recent version with all the latest features:

  1. Download

    • Download the latest nanobrowser.zip file from the official Github release page.

  2. Install:

    • Unzip nanobrowser.zip.
    • Open chrome://extensions/ in Chrome
    • Enable Developer mode (top right)
    • Click Load unpacked (top left)
    • Select the unzipped nanobrowser folder.

  3. Configure Agent Models

    • Click the Nanobrowser icon in your toolbar to open the sidebar
    • Click the Settings icon (top right).
    • Add your LLM API keys.
    • Choose which model to use for different agents (Navigator, Planner)

  4. Upgrading:

    • Download the latest nanobrowser.zip file from the release page.
    • Unzip and replace your existing Nanobrowser files with the new ones.
    • Go to chrome://extensions/ in Chrome and click the refresh icon on the Nanobrowser card.

Cost-Effective Configuration

  • Planner: Claude Haiku or GPT-4o
    • Reasonable performance at lower cost
    • May require more iterations for complex tasks
  • Navigator: Gemini 2.5 Flash or GPT-4o-mini
    • Lightweight and cost-efficient
    • Suitable for basic navigation tasks

📄 License

This project is licensed under the Apache License 2.0 - see the LICENSE file for details.

Made with ❤️ by the Nanobrowser Team.

Like Nanobrowser? Give us a star 🌟 and join us in Discord | X

For agents

This page has a .md twin and JSON over the API.

/tools/nanobrowser-nanobrowser.mdGET /api/graphcanon/tools/nanobrowser-nanobrowserGET /api/graphcanon/graph?tool=nanobrowser-nanobrowser

Was this helpful?

Anonymous feedback helps us improve pages and translations.