# Steel

> Open-source (Apache-2.0) browser API for AI agents: Steel Browser runs Chrome sessions you drive with Puppeteer, Playwright or Selenium, keeps cookies and storage across requests, rotates proxies and turns pages into Markdown, screenshots or PDFs. Self-host it with Docker or use Steel Cloud, free to start with $30 of credits.

- Official site: https://steel.dev
- Category: [Frameworks & Dev Tools](https://digidle.com/category/dev-tools/)
- Tags: browser-automation, agents, open-source
- Pricing: not verified by Digidle; see the official site.
- Listing page: https://digidle.com/tools/steel/
- Alternatives page: https://digidle.com/alternatives/steel/

## In collections

- [AI Agent Infrastructure](https://digidle.com/collections/ai-agent-infrastructure/)

## Best-of lists

- [Browser automation for AI agents](https://digidle.com/best/browser-automation-ai-agents/)

## Other Frameworks & Dev Tools tools

- [Proa](https://digidle.com/tools/proa.md): Batteries-included Rust web framework with fast server rendering and multi-target rendering (HTML, Markdown and more) from one typed component.
- [Sygal](https://digidle.com/tools/sygal.md): Local-first Mac and Windows app plus CLI that converts PDFs, Office files, scans and web pages into clean Markdown or JSON for AI prompts and pipelines.
- [Weatherdeck](https://digidle.com/tools/weatherdeck.md): Open-source, read-only status board for TV or phone showing what your AI coding agent lanes and machines are doing and what is waiting on you.
- [Sphinx](https://digidle.com/tools/sphinx.md): Free, MIT-licensed Git hook that quizzes you on what your coding agent's diff actually does before a push to protected branches goes through; works with Claude Code, Codex, Cursor or plain Git.
- [llmspeed](https://digidle.com/tools/llmspeed.md): Open-source simulator that lets you feel a local LLM's tokens/sec and time-to-first-token on a chosen GPU or Mac before you buy the hardware, based on community benchmarks.
- [esp32sim](https://digidle.com/tools/esp32sim.md): Open-source (MIT) ESP32 emulator written in Rust that runs real firmware locally or in the browser, with no hardware or cloud needed.
- [siltop](https://digidle.com/tools/siltop.md): Rust terminal system monitor for Apple Silicon Macs showing CPU, GPU, power, clocks, temperatures and processes, without sudo or telemetry.
- [WhatsApp MCP](https://digidle.com/tools/whatsapp-mcp.md): Open-source (MIT), read-only MCP server you deploy to your own Cloudflare account so Claude Code or any MCP client can search and read your WhatsApp chats; it can't send messages and is unofficial (uses the WhatsApp Web protocol).

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Source: Digidle Tools (https://digidle.com/), a curated directory of developer and vibe-coding tools. Full index: https://digidle.com/llms.txt