Playwright FAQs

Question 1

What are the system requirements to use Playwright?

Accepted Answer

To use Playwright, you need Node.js 18 or newer. It integrates with various MCP clients such as VS Code, Cursor, Windsurf, Claude Desktop, Goose, Qodo Gen, and Gemini CLI.

Question 2

What is Playwright for LLMs?

Accepted Answer

Playwright is a Model Context Protocol (MCP) server that provides robust browser automation capabilities, specifically designed for Large Language Models (LLMs) to interact with web pages using structured accessibility snapshots.

Question 3

How does Playwright enhance LLM web interaction?

Accepted Answer

It enhances interaction by leveraging Playwright's accessibility tree, which provides structured data instead of pixels. This means LLMs don't need vision models, making interactions faster, lightweight, and deterministic, avoiding ambiguity common with screenshot-based approaches.

Question 4

What are the key benefits of using Playwright?

Accepted Answer

Key benefits include speed and efficiency due to using accessibility trees, LLM-friendliness by operating on structured data without requiring vision models, and deterministic tool application for reliable, unambiguous web interactions.

Question 5

Can Playwright be configured for persistent user profiles?

Accepted Answer

Yes, Playwright supports running with a persistent user profile, similar to a regular browser. This allows it to store login information and other session data. You can also use isolated profiles for testing, and the user data directory is customizable.

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