Agent skill · Security

stackblitz-security-basics

Secure WebContainer deployments: CSP headers, sandbox isolation, input validation. Use when working with WebContainers or StackBlitz SDK. '

jeremylongshoregithub.com/jeremylongshoreGitHub ↗
claude-codecan modify filesMIT
Install
npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill stackblitz-security-basics --agent claude-code

Same command for any agent — swap --agent for codex, cursor, copilot.

Facts
Files in the skill folder: 1
SKILL.md size: 2 KB
Bundled scripts: none
Version: 1.5.0
Declared author: Jeremy Longshore <jeremy@intentsolutions.io>
Allowed tools: ReadWriteGrep
Requires: Designed for Claude Code
Path: plugins/saas-packs/stackblitz-pack/skills/stackblitz-security-basics/SKILL.md
Open the folder on GitHub →
Where it comes from
Stars: 2,596
Language: Python
Read our review of the source →

Weekly change comes from our own snapshots, not the repository page — it measures attention, not adoption.

From the SKILL.md

# StackBlitz Security Basics ## Overview Secure WebContainer deployments: CSP headers, sandbox isolation, input validation. ## Instructions ### Step 1: WebContainer Security Model WebContainers run in the browser sandbox -- no access to host filesystem, network is limited to HTTP, and all code runs in the user's browser tab. Key security points: ```typescript // WebContainers are inherently sandbo

More from claude-code-plugins-plus-skills
All skills →
About this skill
What does the stackblitz-security-basics skill do?

Secure WebContainer deployments: CSP headers, sandbox isolation, input validation. Use when working with WebContainers or StackBlitz SDK. '

How do I install it?

Run `npx skills add jeremylongshore/claude-code-plugins-plus-skills --skill stackblitz-security-basics --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.

Keep going