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Basic Information

Steel Browser is an open-source browser API and server designed to let developers build AI apps and live web agents that interact with websites programmatically. The repo provides a hosted browser instance and REST API that manage browser processes, pages, sessions, cookies and storage so teams do not have to build automation infrastructure from scratch. It supports connecting via Puppeteer, Playwright, or Selenium and exposes session control endpoints for launching browsers with custom options, proxy settings, and extensions. It also offers quick, read-only actions for scraping, screenshots, and PDFs, typed Node and Python SDKs that wrap the REST API, a UI for session inspection, and Docker and local Node workflows for running the server. The project targets developers and teams building web automation, data extraction, or agent-driven browsing workflows and aims to simplify stateful browsing and browser lifecycle management.

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App Details

Features
Full programmatic browser control using Puppeteer and CDP with compatibility for Playwright and Selenium. Session management that preserves cookies, local storage, and allows relaunching browsers with custom options. Quick Actions API endpoints for scrape, screenshot, and PDF generation to extract or capture pages on demand. Built-in proxy chain management for IP rotation and integration of custom Chrome extensions. Debugging and observability tools including request logging and a UI for viewing sessions. Anti-detection features such as stealth plugins and fingerprint handling. Resource and lifecycle management to automatically clean up browser instances. Official Node and Python SDKs, OpenAPI/Swagger documentation, prebuilt Docker images, and development compose files for local contribution and deployment.
Use Cases
Steel reduces the engineering effort required to add robust browser automation to applications and AI agents by handling orchestration, state, and browser plumbing. Teams can spin up stateful sessions for complex workflows without rebuilding session or proxy logic, enabling reliable scraping, automated interaction, and visual capture tasks. SDKs and a REST API make integration straightforward for both quick one-off actions and long-lived sessions, while Selenium compatibility helps teams migrate existing WebDriver workflows. Built-in debugging, request logging, and a UI speed up development and troubleshooting. Docker images and cloud deployment templates simplify running production instances or using Steel Cloud, letting developers focus on higher-level agent logic and AI features instead of browser infrastructure.

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