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stagehand

Open source

Stagehand is an open-source SDK for building reliable AI browser agents with Playwright-style APIs and self-healing acti

24kMIT

The SDK for browser agents. Interact, search, extract, and fetch any site reliably across the web

Pros

  • +Playwright-style familiar APIs with self-healing act/observe/extract primitives
  • +Token-efficient accessibility tree trimming reduces LLM costs
  • +Multi-language SDK support across TypeScript, Python, and Go
  • +Handles complex DOM like out-of-process iframes and closed Shadow DOMs

Cons

  • −Requires LLM provider API keys and Browserbase credentials for full functionality
  • −Adds AI/LLM dependency and latency compared to deterministic Playwright scripts
  • −Monorepo build setup with just/pnpm/uv/go adds onboarding complexity

Target audience: Developers and AI engineers building production-grade autonomous browser agents that need reliable web interaction and data extraction.

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