xss-shield vs modern-web-guidance
xss-shield is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
xss-shield is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. modern-web-guidance is a plugin bundle for AI coding tools published by GoogleChrome. Marketplaces we read that list it: 4 (Claude Code: claude-plugins-official, Claude: knowledge-work-plugins, Copilot CLI: github/awesome-copilot, Community GitHub marketplaces). As of our marketplace pass on 2026-10-27. A plugin in this pair is no longer listed on any marketplace we read, so search engines are asked not to index the page.
Where each is published
| Marketplace |  modern-web-guidance | |
|---|---|---|
| Community marketplace barnburner121/claude-plugin-marketplace | Removed on 2026-10-18 Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 3 Not marked · First seen |
Not listed |
| Claude Code: claude-plugins-official | Not listed | Listed Version: 0.0.194 Forks (GitHub): 98 Stars (GitHub): 2 558 Not marked · First seen |
| Claude: knowledge-work-plugins | Not listed | Listed Version: 0.0.194 Forks (GitHub): 98 Stars (GitHub): 2 558 Not marked · First seen |
| Copilot CLI: github/awesome-copilot | Not listed | Listed Version: 0.0.179 Forks (GitHub): 98 Stars (GitHub): 2 558 Not marked · First seen |
Each figure is the marketplace's own and is never added up across marketplaces. A marketplace that publishes no figure shows none: no number is not zero.
The facts side by side
| Fact | xss-shieldno longer listed · | modern-web-guidance |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 4 |
| Stars (GitHub) (differs) | 3 | 2 558 |
| Forks (GitHub) (differs) | 0 | 98 |
| Last release (differs) | Not published | 2026-10-26 |
| Where it runs (differs) | On your machine (@barnburner121/plugin-hub-mcp) | Installs as a plugin bundle |
| Transport | Not stated | Not stated |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle | 2 | 2 |
| Licence (differs) | MIT | Apache-2.0 |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/googlechrome/modern-web-guidance |
| Changes in the last 7 days (differs) | 0 | 1 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
Lines where the two differ have a tinted background and bold values. No value is marked better or worse: a plugin no marketplace lists any more is shown with its last known data, which we do not rank against current figures.
What to use instead of xss-shield
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Comprehensive security scanner for vulnerabilities and OWASP Top 10 issues
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Security scanning and vulnerability auditing following OWASP Top 10 guidelines with automated remediation
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Client-side web security scanner — detects secrets, vulnerable JS libraries, misconfigurations, XSS sinks, CORS issues, and more
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claude-code-vulnerability-check
Detect CVE (Common Vulnerability Exposure) in PHP / JS project. Auto apply minor fixes and patch Alert on necessity of major update (prevent breaking changes)
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DevsForge comprehensive security vulnerability scanner with automated remediation suggestions.
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Security best practices and vulnerability detection
What each says it does
xss-shield
Scan for XSS vulnerabilities in templates and frontend code
modern-web-guidance
Keep your coding agent up to date with the latest web best practices
How to run each
xss-shield
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
modern-web-guidance As a Claude Code plugin
/plugin install modern-web-guidance@claude-plugins-officialCommands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
Neither one's marketplaces publish a list of tools, so there is nothing to compare.
Settings each asks for
Neither one's marketplaces publish the settings it asks for.
What it can do: xss-shield · What it can do: modern-web-guidance · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the public marketplace file https://github.com/anthropics/claude-plugins-official/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/anthropics/knowledge-work-plugins/blob/HEAD/.claude-plugin/marketplace.json. Data comes from the public marketplace file https://github.com/github/awesome-copilot/blob/HEAD/.github/plugin/marketplace.json. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.