stackblitz-hello-world
Boot a WebContainer, mount files, install npm packages, and run a dev server in the browser. Use when learning WebContainers, building browser-based IDEs, or running Node.js without a backend server. '
npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill stackblitz-hello-world --agent claude-code
Same command for any agent — swap --agent for codex, cursor, copilot.
Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.
# StackBlitz Hello World ## Overview Boot a WebContainer, mount a file system tree, install dependencies with npm, and start a dev server -- all running inside the browser tab. No backend server needed. ## Prerequisites - `@webcontainer/api` installed (see `stackblitz-install-auth`) - Cross-origin isolation headers configured - Modern browser (Chrome 90+, Firefox 90+, Safari 16.4+) ## Instructions
What does the stackblitz-hello-world skill do?
Boot a WebContainer, mount files, install npm packages, and run a dev server in the browser. Use when learning WebContainers, building browser-based IDEs, or running Node.js without a backend server. '
How do I install it?
Run `npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill stackblitz-hello-world --agent claude-code` — it drops the skill into your project so the agent can pick it up. Swap the --agent value for codex, cursor or copilot if you use one of those.
Where does this skill come from?
From jeremylongshore/claude-code-plugins-plus-skills, a repository with 2,596 stars. We read it straight from the repository tree rather than a submitted listing, so what you see here is what is actually published.
Is a popular skill a good skill?
Not necessarily. Stars measure attention, not adoption — a repository can trend for a week and be abandoned. That is why we show the weekly change from our own snapshots next to the total, instead of a single flattering number.