Skill UI

This comprehensive guide details essential security practices for deploying WebContainers. It covers implementing Content Security Policy (CSP) headers, ensuring robust sandbox isolation, and performing rigorous input validation to mitigate common web vulnerabilities. Use this when developing applications with WebContainers or the StackBlitz SDK.

This utility is designed to facilitate the migration process between various versions of the WebContainer API and updates within the StackBlitz SDK. Use this skill specifically when working on projects that rely on WebContainers or the StackBlitz development environment, ensuring smooth, compatible upgrades to the latest framework versions.

This skill provides essential guidance on managing key WebContainer lifecycle events, including server readiness, port changes, and error handling. It is crucial for developers integrating with WebContainers or using the StackBlitz SDK to ensure robust and reliable application state management in development environments.

Captures complete, full-page screenshots of any modern web page using the Chrome DevTools Protocol (CDP). Unlike standard tools, this utility handles Single Page Applications (SPAs), scrolling content, lazy-loaded images, and complex scroll containers, ensuring the entire visible content is captured in a single, high-fidelity PNG file. Ideal for documenting complex web flows and testing.

A comprehensive playbook detailing expert techniques to escape multiple types of restricted environments, including Python pyjail, Docker containers, seccomp filters, and browser rendering processes. It covers advanced exploitation vectors like namespace escapes, kernel exploits, and built-in function bypasses for achieving code execution.