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WebContainer Diagnostic Bundle
stackblitz-debug-bundle
jeremylongshore/claude-code-plugins-plus-skills
424
This bundle collects comprehensive diagnostic information about the WebContainer environment. It checks the boot state, file system integrity, running process list, and modern browser support (e.g., SharedArrayBuffer, cross-origin isolation). Essential for developers integrating with StackBlitz SDK or WebContainers to troubleshoot complex development issues.
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Deploy WebContainer Apps to Vercel and Netlify
stackblitz-deploy-integration
jeremylongshore/claude-code-plugins-plus-skills
280
This skill facilitates the deployment of WebContainer applications to popular hosting platforms like Vercel and Netlify. It handles complex configuration, including setting necessary COOP/COEP security headers. It is essential when developing modern web projects using WebContainers or the StackBlitz SDK, ensuring proper and secure deployment.
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Booting Dev Servers in WebContainers
stackblitz-hello-world
jeremylongshore/claude-code-plugins-plus-skills
314
This guide demonstrates how to set up a complete development environment entirely within a web browser using the WebContainer API. It covers mounting a virtual file system, installing Node.js dependencies via npm, and starting a local dev server (like Express) without needing a dedicated backend server. It is ideal for learning WebContainers, building browser-based IDEs, or prototyping Node.js applications client-side.
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Setting Up WebContainers and StackBlitz
stackblitz-install-auth
jeremylongshore/claude-code-plugins-plus-skills
280
This guide details how to install and configure the WebContainer API, enabling client-side Node.js execution directly in the browser. It also provides instructions for integrating the StackBlitz SDK, which is used for embedding highly interactive code editors into web applications. The guide covers necessary dependency installations, code examples, and crucial HTTP header configuration (COOP/COEP) required for cross-origin isolation and secure operation.
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WebContainer Local Development Setup
stackblitz-local-dev-loop
jeremylongshore/claude-code-plugins-plus-skills
418
A comprehensive guide to setting up a local development loop for WebContainer applications. This setup utilizes Vite for a modern development environment, providing hot module replacement (HMR) and cross-origin policy configuration. It includes detailed steps for running Vitest tests, ensuring file system operations and browser-based IDE features function correctly in a simulated local environment.
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StackBlitz WebContainer Performance Tuning
stackblitz-performance-tuning
jeremylongshore/claude-code-plugins-plus-skills
436
This skill focuses on optimizing the performance of WebContainers, specifically targeting improvements in boot time, file system mounting efficiency, and process spawning. It is essential for developers utilizing the WebContainer API or the StackBlitz SDK to ensure a stable and efficient development environment, especially in complex web applications.
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StackBlitz WebContainer Production Checklist
stackblitz-prod-checklist
jeremylongshore/claude-code-plugins-plus-skills
207
Provides a comprehensive production checklist specifically for WebContainer applications built using the StackBlitz SDK. This guide helps developers ensure that their web applications are robust and ready for deployment by checking essential aspects like security headers, cross-browser compatibility, and necessary fallback mechanisms.
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Managing WebContainer Resource Limits
stackblitz-rate-limits
jeremylongshore/claude-code-plugins-plus-skills
428
This guide provides essential knowledge on resource limitations within WebContainer environments (such as memory, CPU, file system size, and process count). It is crucial for developers utilizing the WebContainers API or StackBlitz SDK to understand these constraints. Learn best practices for monitoring memory usage, optimizing mounted file systems by excluding unnecessary assets (like test or documentation folders), and managing dependencies to prevent common issues like Out-Of-Memory (OOM) crashes and slow build times.
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StackBlitz WebContainer Reference Architecture
stackblitz-reference-architecture
jeremylongshore/claude-code-plugins-plus-skills
281
This skill provides the production-grade architectural blueprint for developing browser-based Integrated Development Environments (IDEs) and interactive playgrounds powered by WebContainers. It is essential for developers who are integrating the WebContainers API or utilizing the StackBlitz SDK to create robust, cloud-based development experiences.
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WebContainer API Patterns for Building IDEs
stackblitz-sdk-patterns
jeremylongshore/claude-code-plugins-plus-skills
162
This comprehensive guide provides production-ready patterns for the WebContainer API, essential for building sophisticated online IDEs and code playgrounds. It covers key functionalities such as singleton WebContainer management, robust file system CRUD operations, process lifecycle management, jsh terminal emulation, and embedding projects using the StackBlitz SDK. Ideal for developers creating collaborative development environments.
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WebContainer Security Best Practices
stackblitz-security-basics
jeremylongshore/claude-code-plugins-plus-skills
95
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.
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StackBlitz WebContainer Upgrade Migration
stackblitz-upgrade-migration
jeremylongshore/claude-code-plugins-plus-skills
354
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.
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