docker

docker is a skill for Claude Code from gebruder/wirken. It costs 5 tokens per session (293 once invoked), scanned A, original, MIT.

A guide to Docker, a system for running applications in isolated containers. It covers containers, images, Dockerfiles, Docker Compose, logs, inspection, and cleanup.

In plain words
What is it for?
Use it to run and inspect containers, view logs, execute commands inside containers, build or remove images, operate Compose projects, and check Docker disk usage.
Why use it?
It helps manage the common tasks involved in starting, stopping, debugging, building, and cleaning up containerized applications.

Skill for Claude Code

Written for Claude Code: disable-model-invocation in frontmatter.

Good fit Use it to run and inspect containers, view logs, execute commands inside containers, build or remove images, operate Compose projects, and check Docker disk usage.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/gebruder/wirken/docker
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add gebruder/wirken --skill docker
Clone the repo
git clone --depth 1 https://github.com/gebruder/wirken

Made for: Claude Code.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for docker

README.md
[![agentmods](https://agentmods.dev/badge/skills/gebruder/wirken/docker/github.svg)](https://agentmods.dev/skills/gebruder/wirken/docker)
Your own site
<a href="https://agentmods.dev/skills/gebruder/wirken/docker"><img src="https://agentmods.dev/badge/skills/gebruder/wirken/docker/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for docker

Your own site · 80×15
<a href="https://agentmods.dev/skills/gebruder/wirken/docker"><img src="https://agentmods.dev/badge/skills/gebruder/wirken/docker.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 5 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 293 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 2 findings, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium MCP Rug Pull · line 26
    Docker image references without a specific tag (:latest is implicit) or digest (@sha256:...) can be silently replaced by a malicious image.
    Fix: Pin the image: image:tag or image@sha256:abc123
  • medium MCP Rug Pull · line 36
    Docker image references without a specific tag (:latest is implicit) or digest (@sha256:...) can be silently replaced by a malicious image.
    Fix: Pin the image: image:tag or image@sha256:abc123
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00005 $0.00293
Opus 5.5 $0.00002 $0.00117
Sonnet 5.5 $0.00001 $0.00059
Haiku 4.5 $0.00001 $0.00029

Measured 1mo ago against content hash f3258671cca8, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

docker scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 1mo ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/docker/SKILL.md · 52 lines

What it actually says

Docker

Manage Docker containers and images.

Containers

  • List running: docker ps
  • List all: docker ps -a
  • Run: docker run -d --name <name> <image>
  • Stop: docker stop <name>
  • Remove: docker rm <name>
  • Logs: docker logs <name> --tail 50
  • Exec into: docker exec -it <name> sh
  • Inspect: docker inspect <name> | jq '.[0].State'

Images

  • List: docker images
  • Pull: docker pull <image>
  • Build: docker build -t <tag> .
  • Remove: docker rmi <image>

Compose

  • Start: docker compose up -d
  • Stop: docker compose down
  • Logs: docker compose logs --tail 50
  • Status: docker compose ps

Cleanup

  • Remove stopped containers: docker container prune -f
  • Remove unused images: docker image prune -f
  • Disk usage: docker system df
Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 1mo ago First seen · 52 lines · 5 tokens per session scan A f3258671cca8

Subscribe to this mod's changes

docker is a skill published in the GitHub repository gebruder/wirken (193 stars, last pushed 2d ago), licensed MIT. It adds 5 tokens to every session and 293 once invoked, about $0.0000 per session on Opus 5.5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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