Tool Connections & Integrations · Preview

steel-browser

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.

Best fitUsers who want source-backed project understanding before installing it.

Check whether this project matches your task before installing it.

What it can doskill, recipe, host_instruction, eval, preflight

Review the portable capability path.

Before continuingVerify in a sandbox

Do not treat a preview pack as a proven local install.

GitHub snapshot7.2k stars

939 forks · 24 contributors

Doramagic.ai Last verification date: 2026-06-21 Verification method: source evidence, semantic profile, public page gate, and static build acceptance.

Official first step Read manual preview Source repository

Preview status · 2026-06-21

What is steel-browser?

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.
Best fit: Users who want source-backed project understanding before installing it.
Not for: Not for users who want to skip sandbox verification or cannot accept configuration, permission, or maintenance overhead.
Capability added to an AI workflow: skill, recipe, host_instruction, eval, preflight
First safe verification step: Verify the smallest path in an isolated environment and keep a rollback path.
Verification state: source, Quick Start, and sandbox install checks are recorded as passed.
Top risk: May increase setup, validation, or first-run risk for the user.
Evidence base: https://github.com/steel-dev/steel-browser, https://github.com/steel-dev/steel-browser#readme, Human Manual, Pitfall Log

Quick decision

Use this section to decide whether the project is worth a deeper read.

Best forUsers who want source-backed project understanding before installing it.

Match the project to your task before installing it.

Capabilityskill, recipe, host_instruction, eval, preflight

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.

Repositorysteel-dev/steel-browser

7.2k stars · 939 forks

What it can do

Translate the upstream project into concrete capabilities the user can judge before installing.

Overview & System Architecture

Related topics: Sessions, Quick Actions & Browser Integrations, Plugin System, Chrome Extensions & Anti-Detection, Deployment, Configuration & Troubleshooting

Source: https://github.com/steel-dev/steel-browser / Human Manual

Sessions, Quick Actions & Browser Integrations

Related topics: Overview & System Architecture, Plugin System, Chrome Extensions & Anti-Detection

Source: https://github.com/steel-dev/steel-browser / Human Manual

Plugin System, Chrome Extensions & Anti-Detection

Related topics: Overview & System Architecture, Sessions, Quick Actions & Browser Integrations, Deployment, Configuration & Troubleshooting

Source: https://github.com/steel-dev/steel-browser / Human Manual

Deployment, Configuration & Troubleshooting

Related topics: Overview & System Architecture, Sessions, Quick Actions & Browser Integrations, Plugin System, Chrome Extensions & Anti-Detection

Source: https://github.com/steel-dev/steel-browser / Human Manual

Doramagic Pitfall Log

Source-linked risks stay visible on the manual page so the preview does not read like a recommendation.

Source: Doramagic discovery, validation, and Project Pack records

Sources: https://github.com/steel-dev/steel-browser, Human Manual, Project Pack evidence, and downstream validation signals.

Community Discussion Evidence

Project-level external discussion stays visible on the detail page, not only inside the manual.

Stars7.2k stars

Forks939 forks

Contributors24 contributors

Licenseunknown

Community Discussion Evidence

12 source-linked items

Review these external discussions before using steel-browser with real data or production workflows. They are review inputs, not standalone proof that the project is production-ready.

01
Coordinated Vulnerability Disclosure - steel-browser
github / github_issue
02
[BUG] Fingerprint generation fails for Chrome 146 at fixed 1920x1080, fo
github / github_issue
03
[QUESTION] how to fix this bug ,npm run dev
github / github_issue
04
[BUG] Self-hosted steel-browser-api fails with "Failed to generate a con
github / github_issue
05
Release v0.5.3-beta
github / github_release
06
Release v0.5.2-beta
github / github_release
07
Release v0.5.1-beta
github / github_release
08
Release v0.5.0-beta
github / github_release
09
Release v0.4.5-beta
github / github_release
10
Release v0.4.4-beta
github / github_release
11
Release v0.4.3-beta
github / github_release
12
Release v0.4.2-beta
github / github_release

How to start

Only source-backed commands are shown here. Verify them in an isolated environment first.

Try the prompt first

Test the workflow without installing the upstream project.

preview

Read the Human Manual

Understand inputs, outputs, limits, and failure modes.

manual

Take context to your AI host

Use the compiled assets in your preferred AI environment.

context

Run sandbox verification

Confirm install commands and rollback before using a primary environment.

verify

docker run -p 3000:3000 -p 9223:9223 ghcr.io/steel-dev/steel-browser

Official start command · https://github.com/steel-dev/steel-browser#readme · verified: yes

Human Manual

The English page must expose the real manual, not a short placeholder.

8+ sections · Human Manual

steel-browser Manual

🔥 Open Source Browser API for AI Agents & Apps. Steel Browser is a batteries-included browser sandbox that lets you automate the web without worrying about infrastructure.

Open the full manual

https://github.com/steel-dev/steel-browser Project Manual
Table of Contents
Overview & System Architecture
Related Pages
Purpose & Scope
System Components
Architecture & Data Flow
Technology Stack & Integration Patterns

Overview & System Architecture

Related topics: Sessions, Quick Actions & Browser Integrations, Plugin System, Chrome Extensions & Anti-Detection, Deployment, Configuration & Troubleshooting

Source: https://github.com/steel-dev/steel-browser / Human Manual

Sessions, Quick Actions & Browser Integrations

Related topics: Overview & System Architecture, Plugin System, Chrome Extensions & Anti-Detection

Source: https://github.com/steel-dev/steel-browser / Human Manual

Plugin System, Chrome Extensions & Anti-Detection

Related topics: Overview & System Architecture, Sessions, Quick Actions & Browser Integrations, Deployment, Configuration & Troubleshooting

Source: https://github.com/steel-dev/steel-browser / Human Manual

Deployment, Configuration & Troubleshooting

Related topics: Overview & System Architecture, Sessions, Quick Actions & Browser Integrations, Plugin System, Chrome Extensions & Anti-Detection

Source: https://github.com/steel-dev/steel-browser / Human Manual

Doramagic Pitfall Log

Source-linked risks stay visible on the manual page so the preview does not read like a recommendation.

Source: Doramagic discovery, validation, and Project Pack records

AI Context Pack and portable assets

After deciding to continue, take the project context into your own AI host.

Complete pack plus user-owned assets

These files are planning and verification assets for Claude Code, Codex, Gemini, Cursor, ChatGPT, and other AI hosts.

Download complete pack Read Human Manual

BundleComplete Project Pack AssetAI Context Pack AssetBoundary & Risk Card AssetHuman Manual AssetPitfall Log AssetPrompt Preview AssetQuick Start EvidenceREPO_INSPECTION.json

Preflight checks

Treat this page as a planning asset, not proof that your local environment is ready.

The manual is generated from source-linked project files and Doramagic validation signals.
Community evidence warnings stay visible instead of being converted into marketing claims.
This preview remains noindex and excluded from sitemap/llms citation targets until English quality and index gates pass.
Use the upstream repository as the final authority for installation commands, license, and version-specific behavior.