Dev Browser

SkillWeb & browsing

Browser automation with persistent page state. Use when users ask to navigate websites, fill forms, take screenshots, extract web data, test web apps, or automate browser workflows. Trigger phrases include "go to [url]", "click on", "fill out the form", "take a screenshot", "scrape", "automate", "test the website", "log into", or any browser interaction request.

Available today. Use it from your connected AI after setup.

Connect ahel once, and every AI you use reads what you have installed.

Then ask your AI: use the Dev Browser skill

What this skill tells your AI

The instructions your AI receives, as published by saffron-health/libretto in packages/browser-tools/benchmarks/skills/dev-browser/SKILL.md and read by ahel’s review.

A CLI for controlling browsers with sandboxed JavaScript scripts.

Installation

npm install -g dev-browser
dev-browser install

Usage

Run dev-browser --help to learn more.

Named daemon-launched browsers persist by default. For unattended work, --idle-timeout 5m closes each launched browser after inactivity while preserving its profile and login state. The setting never closes Chrome attached with --connect; use --idle-timeout 0 to disable configured cleanup.

Signals

GitHub stars
889
Forks
69
Last commit
Aug 2026
Hacker News mentions
1

ahel recommends instead

Advanced
Catalog kind
skill
Gateway key
dev-browser-saffron-health
Source
github.com/saffron-health/libretto