Steel Documentation

Steel is the open-source browser API for AI agents — managed cloud browsers with stealth, residential proxies, CAPTCHA solving, persistent profiles, session replays, and agent observability. Use these docs to create cloud browser sessions and connect your automation tools.

Get Started with CLI + Agent Skill

Install Steel CLI and the steel-browser skill so your agent can control a browser.

Sessions API

Explore API endpoints for managing Steel Sessions.

Captchas API

Explore API endpoints for managing Steel Captchas.

Extensions API

Explore API endpoints for building on Steel.

Credentials API

Explore API endpoints for managing Steel Credentials.

Files API

Explore API Endpoints for managing Files on Steel.

Integrations

Gemini Computer Use

Use Gemini Computer Use with Steel Browser.

Claude Computer Use

Use Claude Computer Use with Steel Browser.

OpenAI Computer Use

Use OpenAI Computer Use with Steel Browser.

Browser-Use

Use Browser-Use to interact with a Steel browser.

Magnitude

Use Magnitude with Steel Browser.

CrewAI

Learn how to use CrewAI with Steel Browser.

Libraries & SDKs

Steel Typescript SDK

Typescript SDK for building applications on Steel.

Steel Python SDK

Python SDK for building applications on Steel.

Steel Rust SDK

Rust SDK for building applications on Steel.

Steel Go SDK

Go SDK for building applications on Steel.

Resources

API Reference

View the Steel API reference.

Instructions for AI Agents

Point your agent to docs.steel.dev/llms.txt for a fast start with Steel.