Stagehand Python

The AI Browser Automation Framework Read the Docs

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!TIP] Migrating from the old v2 Python SDK? See our [migration guide here.

What is Stagehand?

Stagehand is a browser automation framework used to control web browsers with natural language and code. By combining the power of AI with the precision of code, Stagehand makes web automation flexible, maintainable, and actually reliable.

Why Stagehand?

Most existing browser automation tools either require you to write low-level code in a framework like Selenium, Playwright, or Puppeteer, or use high-level agents that can be unpredictable in production. By letting developers choose what to write in code vs. natural language (and bridging the gap between the two) Stagehand is the natural choice for browser automations in production.

1. 1.Choose when to write code vs. natural language: use AI when you want to navigate unfamiliar pages, and use code when you know exactly what you want to do.

1. 1.Go from AI-driven to repeatable workflows: Stagehand lets you preview AI actions before running them, and also helps you easily cache repeatable actions to save time and tokens.

1. 1.Write once, run forever: Stagehand's auto-caching combined with self-healing remembers previous actions, runs without LLM inference, and knows when to involve AI whenever the website changes and your automation breaks.

Installation

# install from PyPI
uv pip install stagehand

For local development or when working from this repository, sync the dependency lockfile with uv (see the Local development section below) before running project scripts.

Requirements

Python 3.9 or higher.

Running the Example

Set your environment variables (from examples/.env.example):

• STAGEHAND_API_URL
• MODEL_API_KEY
• BROWSERBASE_API_KEY
• BROWSERBASE_PROJECT_ID

cp examples/.env.example examples/.env
# Edit examples/.env with your credentials.

The examples load examples/.env automatically.

Examples and dependencies:

• examples/full_example.py: stagehand only
• examples/act_example.py: stagehand only
• examples/agent_execute.py: stagehand only
• examples/local_example.py: stagehand only
• examples/logging_example.py: stagehand only
• examples/remote_browser_playwright_example.py: Playwright + Playwright browsers
• examples/local_browser_playwright_example.py: Playwright + Playwright browsers
• examples/playwright_page_example.py: Playwright + Playwright browsers
• examples/byob_example.py: Playwright + Playwright browsers
• examples/pydoll_tab_example.py: pydoll-python (Python 3.10+)

Multiregion support: see examples/local_server_multiregion_browser_example.py.