Stagehand

Browser automation for developers and AI agents

Stagehand is an open-source browser automation SDK built for developers and LLM-powered agents. It combines code-based browser control with natural-language actions so you can build web workflows that are more resilient to page changes.

Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric →

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Open Source

Web

API

B2B

For Developers

CLI

Computer Use

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Recent activity

What's happened with Stagehand lately

May 22, 2026
Score change
Rubric upgrade v3_0 → v3.1: score 9/32 → 15/369 → 15/36(+6)
Rubric upgrade: agenticness v3.0 (8 dims, /32) → v3.1 (9 dims, /36). Adds Dim 9 (Operator Sovereignty), splits Dim 6 into 6a/6b lenses, tightens Dim 4 autonomous-retry distinction. Not a product change — score shift reflects new dimension + recalibrated rubric, not a change in the tool. Fanout suppressed.
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News mentions sourced from our news feed; score changes from periodic re-evaluations.

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About

What It Is

Stagehand is an open-source browser automation framework for developers who need to control websites programmatically, with an AI layer that helps interpret and manipulate pages in a more flexible way than traditional automation tools. It positions...

What to Know

Stagehand’s strongest pitch is reliability: it tries to keep browser automation deterministic while using LLMs to adapt when page layouts change. That makes it a good fit if you want something more agent-friendly than classic browser tooling, but...

Key Features

Open-source browser automation SDK

Playwright-compatible scripting

Natural-language page extraction

Natural-language browser actions

Atomic step-based automation

Use Cases

Automating research workflows that need to read and extract data from websites

Completing multi-step browser tasks such as adding items to cart or checkout flows

Building authenticated browser agents that work inside logged-in sessions

Agenticness: Adaptive Collaborator

Proposes and executes multi-step plans with your approval.

High evidence

Last evaluated: May 22, 2026

Dimension Breakdown

Action Capability

Autonomy

Adaptation

State & Memory

Safety

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