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Kubernetes Hardening

Checked
bagelhole·vlatest·cloud·MIT

Automates Kubernetes cluster security best practices, reducing vulnerabilities and improving overall resilience.

Repository

Install on your platform

Showing Claude Code. One command installs this skill into any of the agents below.

  1. 1

    Run this in your project

    terminal
    $ npx skills add bagelhole/devops-security-agent-skills --skill kubernetes-hardening -a claude-code

  2. Uses the open-source skills CLI and needs Node.js. Add -g to install it for your user instead of this project.

What we know about this skill

Publisher

bagelhole

Taken from the source listing. We haven't verified who controls this account.

Install target

Live repository

Not pinned. Installing fetches whatever the repository holds at the time you run the command.

No human has reviewed this code. The checks below are a static scan of the files at one commit — nobody has run this skill or judged whether it works. A skill runs with whatever access you give your agent, so read the source before you install it.

Automated safety checks

scanned

This skill passed all 6 checks. We read its files at one commit and looked for the things that make a skill dangerous to run — not for whether it works.

  • Declares what it does: passed

    SKILL.md parses and declares a name and a description.

    SKILL.md exists, its frontmatter parses, and it declares a name and a description.

  • No undeclared network calls: passed

    Makes no network calls.

    Every host the skill dials — from its scripts, its config endpoints or the commands it tells the agent to run — is either well-known package and API infrastructure or declared in its own frontmatter. Links in documentation are not counted.

  • No obfuscated payloads: passed

    No encoded or obfuscated payloads.

    No base64, hex or compressed blob is decoded and then executed, and no encoded shell commands.

  • No credential access: passed

    Reads no keys, tokens, keychains or credential files.

    Neither the code nor the SKILL.md instructions read SSH keys, cloud credentials, keychains, token stores, browser cookie databases or dotfiles that hold secrets.

  • No pipe-to-shell installers: passed

    No pipe-to-shell or download-and-run installers.

    No `curl … | sh` pattern, in the code or in the instructions, that runs code fetched at run time.

  • Pinned to a commit: passed

    Scanned bagelhole/devops-security-agent-skills at 0365f57a07.

    The exact upstream commit SHA that was scanned is recorded, so the result refers to specific bytes.

Commit
0365f57a07
Manifest
security/hardening/kubernetes-hardening/SKILL.md
Scanned
1 file, 122 lines
This is a static scan, not a review. It reads the skill's files; it does not run them, and it cannot tell you whether the skill is any good or whether the code does what its description says. A skill runs with whatever access you give your agent.
What each check looks for →

About this skill

What it does

This skill helps secure Kubernetes clusters by identifying and mitigating potential vulnerabilities. It performs automated security assessments, generates remediation recommendations based on industry best practices (like CIS benchmarks), and assists in implementing those changes. The goal is to reduce the attack surface of your Kubernetes environment and improve its overall security posture.

When to use it

  • New Cluster Deployment: Automate hardening steps during initial cluster setup to ensure a secure foundation from day one.
  • Security Audits: Regularly assess existing clusters for compliance with security standards and identify areas needing improvement.
  • Post-Incident Review: Analyze Kubernetes configurations after a security incident to pinpoint vulnerabilities that were exploited.
  • Continuous Security Improvement: Integrate hardening checks into CI/CD pipelines for ongoing security validation.

Key capabilities

  • CIS Benchmark assessment
  • Automated vulnerability scanning
  • Remediation recommendations
  • Configuration auditing

Example prompts

  • "Assess my Kubernetes cluster against the CIS benchmark."
  • "Find any misconfigurations in my deployments that could lead to privilege escalation."
  • "Generate a report of all security vulnerabilities found in my namespaces."

Tips & gotchas

Requires appropriate access and permissions within your Kubernetes clusters. The skill's recommendations should be reviewed carefully before implementation, as some changes may impact application functionality.