Crucible FAQs

Question 1

What is Crucible?

Accepted Answer

Crucible is a Ruby gem designed for AI-driven browser automation. It uses headless Chrome via Ferrum to provide 29 distinct tools for comprehensive browser control, with a strong focus on evading bot detection.

Question 2

How does Crucible help evade bot detection?

Accepted Answer

Crucible features a built-in stealth mode with configurable profiles (minimal, moderate, maximum). This mode applies various evasion techniques, such as spoofing browser properties like `navigator.webdriver`, `WebGL` vendor, and user-agent, to make automated sessions appear as legitimate user interactions.

Question 3

Can I manage multiple browser instances with Crucible?

Accepted Answer

Yes, Crucible supports robust multi-session management. You can easily run and control multiple independent browser instances concurrently by simply specifying a `session` parameter for your browser actions, allowing for complex parallel workflows.

Question 4

What types of browser interactions can Crucible automate?

Accepted Answer

Crucible offers an extensive suite of browser actions including navigation (go to URL, back, refresh), user interactions (click, type, fill forms, scroll, hover), data extraction (screenshots, PDFs, page content, JavaScript evaluation), cookie management, and file downloads.

Question 5

Is Crucible suitable for AI agent integration?

Accepted Answer

Absolutely. Crucible is built as an MCP (Model Context Protocol) server, making it ideal for integration with AI agents like Claude Code. It provides a programmatic interface for AI to control browsers, enabling sophisticated automated workflows.

Crucible

Crucible

Key Features

Use Cases

Key Features

Use Cases