StackGen vs linux-security-hardener
linux-security-hardener is no longer listed on any marketplace we read: these are its last known data, as of 2026‑10‑19.
StackGen is an MCP server published by stackgenhq. Marketplaces we read that list it: 1 (Docker MCP Catalog). linux-security-hardener is a plugin bundle for AI coding tools published by Lehnert. No marketplace we read lists it any more. As of our marketplace pass on 2026-10-20. 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 |  StackGen | |
|---|---|---|
| Docker MCP Catalog | Listed Version: sha256:e0bab64f662a Forks (GitHub): 1 Stars (GitHub): 1 Not marked · First seen |
Not listed |
| Community marketplace chfle/lehnert-claude-skills | Not listed | Removed on 2026-10-19 Version: 1.0.0 Forks (GitHub): 1 Stars (GitHub): 4 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 | StackGen | linux-security-hardenerno longer listed · |
|---|---|---|
| Marketplaces that list it (differs) | 1 | 0 |
| Stars (GitHub) (differs) | 1 | 4 |
| Forks (GitHub) | 1 | 1 |
| Last release | Not published | Not published |
| Where it runs (differs) | On your machine (ghcr.io/stackgenhq/stackgen) | Installs as a plugin bundle |
| Transport (differs) | stdio | Not stated |
| Tools it declares (differs) | 4 | Not published |
| Environment variables it asks for (differs) | 2, secrets among them: 1 | Not published |
| Parts of the bundle (differs) | Not a bundle | 1 |
| Licence | Not stated | Not stated |
| Repository (differs) | github.com/stackgenhq/homebrew-stackgen | github.com/chfle/lehnert-claude-skills |
| Changes in the last 7 days (differs) | 0 | 4 |
| First seen (differs) | 2026-10-11 | 2026-10-15 |
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 linux-security-hardener
Plugins still listed whose own names, descriptions, tools and skills are closest in meaning to it. Comparable, not endorsed.
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Remote Linux server management through natural language — system admin, packages, services, files, security, and monitoring across your fleet
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Operational skill for installing, configuring, operating, and debugging CrowdSec (cscli, LAPI/CAPI, hub, bouncers, WAF/AppSec) across bare-metal, Docker, and Kubernetes.
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Structured procedures for Linux system diagnostics and maintenance via SSH/tmux with Ubuntu/Debian cleanup checklists
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Pre-execution safety layer that blocks dangerous shell commands and credential file reads using pattern matching + LLM analysis. Fail-closed design.
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DeployShield is a cross-platform production safety guardrail for Claude Code and Gemini CLI. It intercepts terminal commands before execution and blocks dangerous operations…
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Codex Security workflows for security scans, analysis, and investigation.
What each says it does
StackGen
AI-powered DevOps assistant for managing cloud infrastructure and applications.
linux-security-hardener
Generates a complete Linux server hardening plan with ready-to-apply scripts and configs covering SSH, firewall, fail2ban, sysctl, auditd, and user security.
How to run each
StackGen As a local MCP server: Docker image
claude mcp add --env "STACKGEN_TOKEN=<YOUR_STACKGEN_TOKEN>" --transport stdio stackgen -- docker run -i --rm -e STACKGEN_TOKEN ghcr.io/stackgenhq/stackgenRequires: STACKGEN_TOKEN (secret)
linux-security-hardener
No data for an automatic command: what its marketplaces declare does not say unambiguously how to connect it.
Commands built only from what the marketplaces declare; the full set for every client is on each card.
Tools each declares
The marketplaces of linux-security-hardener publish no list of tools, so we do not compare tools.
Settings each asks for
The marketplaces of linux-security-hardener publish no settings it asks for, so we do not compare settings.
What it can do: StackGen · What it can do: linux-security-hardener · Compare two other plugins
Data comes from the Docker MCP Catalog (desktop.docker.com/mcp/catalog) and Docker Hub. Data comes from public marketplace files in GitHub repositories of their authors. Figures come from our own regular passes over the marketplaces, last read on . We publish no contact details for plugin publishers.