ClaudeMap

Stagehand

The SDK for browser agents — Playwright-style API with act, extract, and observe primitives.

SDKs & Toolingbrowserautomationsdkplaywright
Visit projectbrowserbase/stagehand

Stagehand (by Browserbase, 24k+ stars) is the SDK for building browser agents: a Playwright-style API where you combine deterministic code with AI-driven act/extract/observe steps that operate by natural language. Works with Claude and other frontier models. Use it directly for custom browser agents; pair with the Browserbase MCP server when you want Claude driving a managed cloud browser.

What it does

  • Browserbase's AI browser automation framework: `act`, `extract`, `observe` primitives over Playwright
  • Natural-language actions get cached as deterministic replays for speed/cost
  • TypeScript first (`pnpm add @browserbasehq/stagehand` + zod), Python and Go SDKs available

When to use it

When you want browser automation that survives UI changes — describe intent ('click sign in') rather than selectors; pairs with the Browserbase MCP for hosted sessions.

Getting started

pnpm add @browserbasehq/stagehand 'zod@~4.4.3'

Python: `pip install stagehand`. Go: `go get github.com/browserbase/stagehand/packages/sdk-go/v4@v4.0.0`.

Things to know

zod is pinned to `~4.4.3` — a different zod major can break extraction schemas. AI-driven steps need a model key; local runs need a browser, cloud runs bill Browserbase sessions.

Repository

browserbase/stagehand

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