container-guard vs Semgrep Guardian
container-guard is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑18.
container-guard is a plugin bundle for AI coding tools published by barnburner121. No marketplace we read lists it any more. Semgrep Guardian is a plugin bundle for AI coding tools published by semgrep. Marketplaces we read that list it: 3 (Claude Code: claude-plugins-official, Claude Code: claude-plugins-community, Community GitHub marketplaces). As of our marketplace pass on 2026-10-28. 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 |  Semgrep Guardian | |
|---|---|---|
| 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: 2.7.0 Forks (GitHub): 8 Stars (GitHub): 19 Not marked · First seen |
| Claude Code: claude-plugins-community | Not listed | Listed Version: 2.1.4 Forks (GitHub): 8 Stars (GitHub): 19 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 | container-guardno longer listed · | Semgrep Guardian |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 3 |
| Stars (GitHub) (differs) | 3 | 19 |
| Forks (GitHub) (differs) | 0 | 8 |
| Last release (differs) | Not published | 2026-10-23 |
| 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 |
| Hooks it runs (differs) | Not published | 9 |
| Parts of the bundle (differs) | 2 | 10 |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/semgrep/mcp-marketplace |
| Changes in the last 7 days (differs) | 0 | 2 |
| 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 container-guard
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Docker containerization toolkit for image optimization, security scanning, and container best practices. Includes container architect agent for strategic container decisions.
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Minimus hardened-image skills (Dockerfile & Kubernetes)
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Audit Dockerfiles for root users, baked-in secrets, curl-pipe-shell and unpinned base images.
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base-image-eol-lint io.github.jmshinhwa/base-image-eol-lint
Marks every base image in your Dockerfiles, compose files and CI workflows whose security patches ha
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Lint Dockerfiles for root users, latest tags, secrets in ENV or ARG, missing HEALTHCHECK and more.
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Docker-authored knowledge skills for AI coding agents across Dockerfiles, Compose, Docker Agent, Docker Sandboxes, and safe Docker workflows.
What each says it does
container-guard
Audit Dockerfiles and docker-compose for security best practices
Semgrep Guardian
Semgrep catches security vulnerabilities in real-time and guides Claude to write secure code from the start.
How to run each
container-guard
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Semgrep Guardian As a Claude Code plugin
/plugin install semgrep@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: container-guard · What it can do: Semgrep Guardian · 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/claude-plugins-community/blob/HEAD/.claude-plugin/marketplace.json. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.