container-guard vs Docker Image Shape
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. Docker Image Shape is an MCP server published by sadri-dridi. Marketplaces we read that list it: 1 (Official MCP Registry). As of our marketplace pass on 2026-11-05. 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 |  Docker Image Shape | |
|---|---|---|
| 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 |
| Official MCP Registry | Not listed | Listed Version: 1.0.0 Forks (GitHub): 0 Stars (GitHub): 0 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 · | Docker Image Shape |
|---|---|---|
| Marketplaces that list it (differs) | 0 | 1 |
| Stars (GitHub) (differs) | 3 | 0 |
| Forks (GitHub) | 0 | 0 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (@barnburner121/plugin-hub-mcp) | Remote server (agent-observatory-sensor.nolimit-observatory.workers.dev/s/docker-image-shape/mcp) |
| Transport (differs) | Not stated | Streamable HTTP |
| Tools it declares | Not published | Not published |
| Environment variables it asks for | Not published | Not published |
| Parts of the bundle (differs) | 2 | Not a bundle |
| Licence (differs) | MIT | Not stated |
| Repository (differs) | github.com/barnburner121/claude-plugin-marketplace | github.com/sadri-dridi/named-mcp-utilities |
| Changes in the last 7 days | 0 | 0 |
| First seen (differs) | 2026-10-14 | 2026-10-11 |
| Endpoint at the last check (differs) | no remote endpoint we check | Responded 5 days ago |
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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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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Build optimized Docker images and improve Dockerfile best practices
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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
Docker Image Shape
Check a Docker image name shape. Name discarded.
How to run each
container-guard
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Docker Image Shape As a remote MCP server
claude mcp add --transport http docker-image-shape https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/docker-image-shape/mcpCommands built only from what the marketplaces declare; the full set for every client is on each card.
Only Docker Image Shape has a remote endpoint we check. How we check endpoints
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: Docker Image Shape · Compare two other plugins
Data comes from public marketplace files in GitHub repositories of their authors. Data comes from the Official MCP Registry (registry.modelcontextprotocol.io), CC0 1.0. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.