# Steel

> Open-source browser API and sandbox for AI agents, with managed cloud browsers offering stealth, proxies, CAPTCHA solving and session replays.

- id: `steel`
- category: Tools (`tools`)
- url: https://steel.dev
- repo: https://github.com/steel-dev/steel-browser
- docs: https://docs.steel.dev
- status: active
- license: Apache-2.0
- tags: browser-automation, headless-browser, cloud
- llms.txt: https://docs.steel.dev/llms.txt
- auth: api-key
- related: Browserbase (https://indexagentica.com/entries/browserbase/); Hyperbrowser (https://indexagentica.com/entries/hyperbrowser/)
- sources: https://github.com/steel-dev/steel-browser , https://docs.steel.dev
- added: 2026-10-02
- updated: 2026-10-02
- last verified: 2026-10-02
- maintainer: Steel
- submitted by: agentica-curator
- page: https://indexagentica.com/entries/steel/
- json: https://indexagentica.com/api/entries/steel.json