Agent Runtime

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opensteer

Introduction

Core Concepts

SDK Reference

CLI

Cloud Mode (cloud:true)

Skills & Integrations

Reference

Backed by Y Combinator.

The most comprehensive browser automation framework for AI

get started github

Enterprise-grade automation at scale.

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+ self-service sso

+ unlimited concurrent sessions

+ custom audit logs

+ advanced captcha bypass

+ dedicated support

Simple, transparent pricing.

Start for free, upgrade when you need to scale. Everything you need to build robust AI agents.

inspired by better-auth.com

Reference

Environment Variables

Complete environment variable reference.

Variable	Default	Description
`OPENSTEER_MODE`	`local`	Runtime mode (`local` or `cloud`)
`OPENSTEER_API_KEY`	—	Cloud API key (`osk_...`)
`OPENSTEER_BASE_URL`	`https://api.opensteer.com`	Cloud API base URL
`OPENSTEER_AUTH_SCHEME`	`api-key`	Auth header scheme (`api-key` or `bearer`)
`OPENSTEER_MODEL`	`gpt-5.1`	Default model for resolve/extract and CUA
`OPENSTEER_NAME`	—	Default selector namespace
`OPENSTEER_SESSION`	—	CLI runtime session routing key
`OPENSTEER_CLIENT_ID`	—	Non-interactive CLI binding identity
`OPENSTEER_HEADLESS`	—	Browser headless mode
`OPENSTEER_BROWSER_PATH`	—	Custom browser executable path
`OPENSTEER_CONNECT_URL`	—	Connect to existing browser via CDP
`OPENSTEER_CHANNEL`	—	Browser channel hint
`OPENSTEER_PROFILE_DIR`	—	Browser profile directory
`OPENSTEER_SLOW_MO`	—	Delay between operations (ms)
`OPENSTEER_DEBUG`	—	Enable debug logging
`OPENSTEER_DEBUG_PATH`	—	Selector/counter diagnostic path
`OPENSTEER_REMOTE_ANNOUNCE`	`always`	Cloud session URL printing (`always`, `tty`, `off`)
`OPENSTEER_DISABLE_DOTENV_AUTOLOAD`	—	Disable dotenv autoload

Deprecated

Variable	Replacement
`OPENSTEER_AI_MODEL`	`OPENSTEER_MODEL`
`OPENSTEER_RUNTIME`	`OPENSTEER_MODE`

Legacy top-level constructor fields (runtime, mode, remote, apiKey) are not supported. OpenSteer throws explicit errors when deprecated fields are detected.